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- Question 2(i, ii, iii, iv and v) Exercise 8.3
- 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
- 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
- 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
- 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} $.