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Question 2(i, ii, iii, iv and v) Exercise 8.3 @math-11-nbf:sol:unit08
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tan. =====Question 2(i)===== Rewrite the sum or difference as a product of two function: $\sin 70^{\circ} + ... OOD =====Question 2(ii)===== Rewrite the sum or difference as a product of two function: $\sin 76^{\circ} - ... n*} =====Question 2(iii)===== Rewrite the sum or difference as a product of two function: $\cos 58^{\circ} + ... gn*} =====Question 2(iv)===== Rewrite the sum or difference as a product of two function: $\cos \frac{p-q}{2}
Question 1(i, ii, iii & iv) Exercise 8.3 @math-11-nbf:sol:unit08
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e the product-to-sum formula to change the sum or difference: $$4 \sin 16x \cos 10x $$ ** Solution. ** \beg... e the product-to-sum formula to change the sum or difference: $10 \cos 10y \cos 6y$. ** Solution. ** \begin{... e the product-to-sum formula to change the sum or difference: $2 \cos5t \sin 3t$. ** Solution. ** \begin{doc... e the product-to-sum formula to change the sum or difference: $6\cos 5x \sin 10x$. ** Solution. ** \begin{al
Question 1(v, vi, vii & viii) Exercise 8.3 @math-11-nbf:sol:unit08
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e the product-to-sum formula to change the sum or difference: $ \sin(-u) \sin 5u$. ** Solution. ** \begin{al... e the product-to-sum formula to change the sum or difference: $-2 \sin 100^{\circ}\sin (-20^{\circ}) $. ** So... e the product-to-sum formula to change the sum or difference: $\cos 23^{\circ} \sin 17^{\circ}$. ** Solution.... e the product-to-sum formula to change the sum or difference: $2 \cos56^{\circ} \sin48^{\circ}$. ** Solution.
Question 1(ix, x & xi) Exercise 8.3 @math-11-nbf:sol:unit08
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e the product-to-sum formula to change the sum or difference: $2 \sin 75{\circ} \sin 15{\circ}$. ** Solution.... e the product-to-sum formula to change the sum or difference: $4 \sin \frac{u+v}{2} \cos \frac{u-v}{2} $. ** ... e the product-to-sum formula to change the sum or difference: $2 \cos \frac{2u+2v}{2}\sin \frac{2u-2v}{2} $.
Question 20 and 21, Exercise 4.4 @math-11-nbf:sol:unit04
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given $a_1=3$ and $a_5=48$. Assume $r$ be common difference, then by general formula for nth term, we have $$... given $a_1=3$ and $a_5=48$. Assume $r$ be common difference, then by general formula for nth term, we have $$
Question 1 and 2, Exercise 4.8 @math-11-nbf:sol:unit04
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stan. =====Question 1===== Using the method of difference, find the sum of the series: $3+7+13+21+\ldots$ t... m( =====Question 2===== Using the method of difference, find the sum of the series: $1+4+10+22+\ldots$ t
Question 3 and 4, Exercise 4.8 @math-11-nbf:sol:unit04
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istan. =====Question 3===== Using the method of difference, find the sum of the series: $1+4+13+40+121+ \ldo... \). =====Question 4===== Using the method of difference, find the sum of the series: $1+2+4+7+11+16+\ldot
Question 5 and 6, Exercise 4.8 @math-11-nbf:sol:unit04
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stan. =====Question 5===== Using the method of difference, find the sum of the series: $3+4+6+10+18+34+66+\... OOD =====Question 6===== Using the method of difference, find the sum of the series: $1+4+8+14+24+42+76+\
Question 2, Exercise 4.2 @math-11-nbf:sol:unit04
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, \frac{5}{2}, \ldots$$ First, we find the common difference: \begin{align*} d &= \frac{3}{2} - \frac{1}{2} =
Question 9 and 10, Exercise 4.2 @math-11-nbf:sol:unit04
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b, \dfrac{1}{c}$ are in A.P. Show that the common difference is $\dfrac{a-c}{2 a c}$. ** Solution. ** Since
Question 1,Review Exercise @math-11-nbf:sol:unit09
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apse> vi. Express $2\sin 3x \sin 7x$ as a sum or difference:\\ * (a) $\cos 4x-\cos 10x$\\ * (b) $\cos 10x-\