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Ch 10: Trigonometric Identities @fsc-part1-ptb:important-questions
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ities ====== <list-group> * Prove that (without calculator) $\sin 10^{\circ}\sin 30^{\circ}\sin 50^{\circ}\s... BISE Gujrawala(2017)// * Using without table or calculator find $tan(1110^{\circ})$ --- // BISE Sargodha(201... 015), BISE Lahore(2017)// * Prove that (without calculator) $sin\frac{\pi}{9}sin\frac{2\pi}{9}sin\frac{\pi}{... he value of $cos15^{circ}$ using without table or calculator.--- // BISE Sargodha(2015)// * If $\alpha$, $\b
Ch 07: Permutation, Combination and Probability @fsc-part1-ptb:important-questions
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ala(2015)// * Evaluate ${^{20}C_{17}}$ without calculator ---// BISE Gujranwala(2015)// * How many $6-dig
Ch 13: Inverse Trigonometry Functions @fsc-part1-ptb:important-questions
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i}{4}$--- //BISE Lahore(2017)// * Without using calculator show that $cos^{-1}\frac{4}{3}$--- //BISE Lahore(