Merging man & maths https://www.mathcity.org/ Wed, 03 Jun 2026 23:41:03 +0000 FeedCreator 1.8 https://www.mathcity.org/_media/logo.svg https://www.mathcity.org/ https://www.mathcity.org/fsc/fsc_part_1_solutions/ch12 Chapter 12: Application of Trigonometry [Chapter 12: Application of Trigonometry] Notes (Solutions) of Chapter 12: Application of Trigonometry, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. Contents & summary * Introduction anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:46:34 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch01 Chapter 01: Number System [Chapter 01: Number System] Notes (Solutions) of Chapter 01: Number System, Textbook of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. Contents & summary * Rational numbers and irrational numbers$\mathbb{C}$$(x+iy)^n$$\left(\frac{x_1+iy_1}{x_2+iy_2}\right)^n, x_2+iy_2\neq 0$$\sqrt{-1}=i$$\sqrt{-1}$$i$$-i$$i$$-i$$-1$$i^2=-1$$\sqrt{-1}=i$$\sqrt{-1}$ anonymous@undisclosed.example.com (Anonymous) Sat, 03 Jun 2023 16:30:31 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch02 Chapter 02: Sets, Functions and Groups Notes (Solutions) of Chapter 02: Sets, Functions and Groups, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. [Chapter 02: Sets, Functions and Groups] Contents & summary * Introduction$p\leftrightarrow q$ anonymous@undisclosed.example.com (Anonymous) Wed, 05 Apr 2023 12:54:57 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch06 Chapter 06: Sequences and Series [Chapter 06: Sequences and Series] Notes (Solutions) of Chapter 06: Sequences and Series, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. Contents & summary * Introduction * Types of Sequences$l,m,n$$p$$q$$r$$$l(q-r)+m(r-p)+n(p-q)=0$$$a_1$$d$$$\begin{align}l=a_1+(p-1)d,\\ m=a_1+(q-1)d,\\ n=a_1+(r-1)d.\end{align}$$ Now $$\begin{align}L.H.S &= l(q-r)+m(r-p)+n(p-q)\\ &= lq-lr+mr-mp+np-nq\\ &=… anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:46:29 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch09 Chapter 09: Fundamentals of Trigonometry [Chapter 09: Fundamentals of Trigonometry] Notes (Solutions) of Chapter 09: Fundamentals of Trigonometry, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. This chapter has four exercise and solutions of those exercises are given below which can be downloaded in PDF format or can be viewed online.$D^\circ M'S''$$45^\circ , 30^\circ , 60^\circ$$0^\circ , 90^\circ , 180^\circ , 270^\circ , 36… anonymous@undisclosed.example.com (Anonymous) Sun, 04 Jun 2023 16:03:04 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch10 Chapter 10: Trigonometric Identities [Chapter 10: Trigonometric Identities] Notes (Solutions) of Chapter 10: Trigonometric Identities, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. There are four exercise in this chapter. anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:46:32 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch03 Chapter 03: Matrices and Determinants [Chapter 03: Matrices and Determinants] Notes (Solutions) of Chapter 03: Matrices and Determinants, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. Contents & summary * Introduction$2\times2$$2\times2$$2\times2$$n\geq 3$$n\geq 3$ anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:46:27 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch04 Chapter 04: Quadratic Equations [Chapter 04: Quadratic Equations] Notes (Solutions) of Chapter 04: Quadratic Equations, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board, Lahore. Contents & summary * Introduction * Solutions of Quadratic Equations anonymous@undisclosed.example.com (Anonymous) Sun, 04 Jun 2023 16:13:15 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch05 Chapter 05: Partial Fractions [Chapter 05: Partial Fractions] Notes (Solutions) of Chapter 05: Partial Fractions, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. Contents & summary * Introduction * Rational Fraction$\frac {P(x)}{Q(x)}$ anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:46:29 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch07 Chapter 07: Permutation, Combination and Probability [Chapter 07: Permutation , Combination and Probability] Notes (Solutions) of Chapter 07: Permutation , Combination and Probability, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. Contents & summary anonymous@undisclosed.example.com (Anonymous) Sat, 26 Mar 2022 16:28:40 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch08 Chapter 08: Mathematical Induction and Binomial Theorem [Chapter 08 Mathematical Induction and Binomial Theorem] Notes (Solutions) of Chapter 08: Mathematical Induction and Binomial Theorem, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore.$(a+x)^n$$(a+x)^n$ anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:46:30 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch11 Chapter 11: Trigonometric Functions and their Graphs [Chapter 11: Trigonometric Functions and their Graphs] Notes (Solutions) of Chapter 11: Trigonometric Functions and their Graphs, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. Contents & summary $ y = \sin x$$-2\pi \hbox{ to } 2\pi$$ y = \cos x$$-2\pi \hbox{ to } 2\pi$$ y = \tan x$$-\pi \hbox{ to } \pi$$ y = \cot x$$-2\pi \hbox{ to } \pi$$ y = \sec x$$-2\pi \hbox{ to } 2\pi… anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:46:34 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch13 Chapter 13: Inverse Trigonometric Functions [Chapter 13: Inverse Trigonometric Functions] Notes (Solutions) of Chapter 13: Inverse Trigonometric Functions, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. Contents & summary * ${\sin ^{ - 1}}A + {\sin ^{ - 1}}B = {\sin ^{ - 1}}\left( {A\sqrt {1 - {B^2}} + B\sqrt {1 - {A^2}} } \right)$${\sin ^{ - 1}}A - {\sin ^{ - 1}}B = {\sin ^{ - 1}}\left( {A\sqrt {1 - {B^2}} - B\sqrt {1 - {… anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:46:37 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch14 Chapter 14: Solutions of Trigonometric Equation [Chapter 14: Solutions of Trigonometric Equation] Notes (Solutions) of Chapter 14: Solutions of Trigonometric Equation, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. Contents & summary ${\sin ^{ - 1}}A + {\sin ^{ - 1}}B = {\sin ^{ - 1}}\left( {A\sqrt {1 - {B^2}} + B\sqrt {1 - {A^2}} } \right)$${\sin ^{ - 1}}A - {\sin ^{ - 1}}B = {\sin ^{ - 1}}\left( {A\sqrt {1 - {B^2}} - B\sqr… anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:46:37 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch01/view Ch 01: Number System: Mathematics FSc Part 1 Notes (Solutions) of Chapter 01: Number System, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are three exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:21 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch02/view Ch 02: Sets, Functions and Groups: Mathematics FSc Part 1 Notes (Solutions) of Chapter 02: Sets, Functions and Groups, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are eight exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:28 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch05/view Ch 05: Partial Fractions: Mathematics FSc Part 1 Notes (Solutions) of Chapter 05: Partial Fractions, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are four exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:45 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch06/view Ch 06: Sequences and Series: Mathematics FSc Part 1 Notes (Solutions) of Chapter 06: Sequences and Series, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are eleven exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:49 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch07/view Ch 07: Permutation, Combination and Probability: Mathematics FSc Part 1 Notes (Solutions) of Chapter 07: Permutation, Combination and Probability, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are eight exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sat, 26 Mar 2022 16:27:34 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch08/view Ch 08: Mathematical Induction and Binomial Theorem: Mathematics FSc Part 1 Notes (Solutions) of Chapter 08: Mathematical Induction and Binomial Theorem, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are three exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:58:09 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch09/view Ch 09: Fundamentals of Trigonometry: Mathematics FSc Part 1 Notes (Solutions) of Chapter 09: Fundamentals of Trigonometry, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are four exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:58:21 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch10/view Ch 10: Trigonometric Identities: Mathematics FSc Part 1 Notes (Solutions) of Chapter 10: Trigonometric Identities, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are four exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:58:44 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch11/viewer View Online (Solutions of Chapter 11) Notes (Solutions) of Chapter 11: Trigonometric Functions and their Graphs, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. There are two exercise in this chapter. anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:58:56 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch12/view Ch 12: Application of Trigonometry: Mathematics FSc Part 1 Notes (Solutions) of Chapter 12: Application of Trigonometry, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are four exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:58:56 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch13/view Ch 13: Inverse Trigonometric Functions: Mathematics FSc Part 1 Notes (Solutions) of Chapter 10: Inverse Trigonometric Functions, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are two exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:59:03 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch10/viewer View Online (Solutions of Chapter 10) Notes (Solutions) of Chapter 10: Trigonometric Identities, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. There are total of four exercise in this chapter. anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:58:43 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch12/viewer View Online (Solutions of Chapter 12) Notes (Solutions) of Chapter 12: Application of Trigonometry, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. There are eight exercises in this chapter. anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:58:57 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch14/view Ch 14: Solutions of Trigonometric Equation Notes (Solutions) of Chapter 14: Solutions of Trigonometric Equation, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB), Lahore. There are four exercises in this chapter. Please see the main page of this chapter for MCQs and important question at anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:59:08 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch14/viewer View Online (Solutions of Chapter 14) Notes (Solutions) of Chapter 14: Solutions of Trigonometric Equation of Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. In this chapter there is only one exercise. anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:59:08 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch04/view View Online (Notes of Chapter 04) Notes (Solutions) of Chapter 04: Quadratic Equations, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board, Lahore. These notes are provided by M. Shahid Nadeem, Lecturer in Mathematics, Punjab College Wah Cantt. One can also download PDF of the notes from this page. anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:41 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch07/viewer View Online (Solutions of Chapter 07) Notes (Solutions) of Chapter 07: Permutation , Combination and Probability, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. Here is the list of all exercises of Chapter 07 anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:56 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch13/viewer View Online (Solutions of Chapter 13) Notes (Solutions) of Chapter 13: Inverse Trigonometric Functions, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. In this chpater, there are two exercise. anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:59:03 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch01/viewer View Online (Solutions of Chapter 01) Here is the list of all exercises of Chapter 01 * Exercise 1.1 (Handwritten) * Exercise 1.2 (Handwritten) * Exercise 1.3 (Handwritten) anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:24 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch02/viewer View Online (Solutions of Chapter 02) Here is the list of all exercises of Chapter 02 * Exercise 2.1 * Exercise 2.2 (Handwritten) * Exercise 2.3 (Handwritten) * Exercise 2.4 * Exercise 2.5 * Exercise 2.6 (Handwritten) * Exercise 2.7 (Handwritten) * Exercise 2.8 anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:28 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch03/view View Online (Solutions of Chapter 03) Here is the list of all exercises of Chapter 03 * Exercise 3.1 * Exercise 3.2 * Exercise 3.3 (Handwritten) * Exercise 3.4 (Handwritten) * Exercise 3.5 * Exercise 3.5 by Prof. Tahir Nazir * Exercise 3.5 by Prof. Shatriq Mahataab anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:34 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch03/viewer View Online (Solutions of Chapter 03) Here is the list of all exercises of Chapter 03 * Exercise 3.1 * Exercise 3.2 * Exercise 3.3 (Handwritten) * Exercise 3.4 (Handwritten) * Exercise 3.5 * Exercise 3.5 by Prof. Tahir Nazir * Exercise 3.5 by Prof. Shatriq Mahataab anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:34 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch04/viewer View Online (Solutions of Chapter 04) Here is the list of all exercises of Chapter 04 * Exercise 4.1 (Handwritten) * Exercise 4.2 (Handwritten) * Exercise 4.3 (Handwritten) * Exercise 4.4 * Exercise 4.5 (Handwritten) * Exercise 4.6 (Handwritten) * Exercise 4.7 * Exercise 4.8 (Handwritten) * Exercise 4.9 (Handwritten) * Exercise 4.10 (Handwritten) anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:41 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch05/viewer View Online (Solutions of Chapter 05) Here is the list of all exercises of Chapter 05 * Exercise 5.1 * Exercise 5.2 (Handwritten) * Exercise 5.3 * Exercise 5.4 (Handwritten) anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:45 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch08/viewer View Online (Solutions of Chapter 08) Here is the list of all exercises of Chapter 08 * Exercise 8.1 * Exercise 8.2 * Exercise 8.3 anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:58:08 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch09/viewer View Online (Solutions of Chapter 09) Here is the list of all exercises of Chapter 09 * Exercise 9.1 * Exercise 9.2 * Exercise 9.3 * Exercise 9.4 (Handwritten) anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:58:19 +0000 https://www.mathcity.org/fsc/fsc_part_1_solutions/ch06/viewer View Online (Solutions of Chapter 06) anonymous@undisclosed.example.com (Anonymous) Sun, 07 Feb 2021 16:57:48 +0000