(i)Express `(sin x-sin a) as a product.

Express sinA+sin3A and cosA+cos3A in product form

Let y=tan ^(-1)((1-cos x)/(sin x)) i) Express 1-cos x and sinx in terms of sin (x/2) and cos (x/2) ii) Hence find (dy/dx) .

Express (8 cos^2 x + 11 sin x)/(cos x) as the sum of function and hence differentiate it w.r.t.x

Solve: sin 2x-sin 4x+sin 6x =0

Express sintheta+sin3theta and sin5theta+sin7theta in product form

Prove that (sin x-sin 3 x)/(sin ^(2) x-cos ^(2) x)=2 sin x

int (dx)/(sin (x-a) sin (x-b)) is :

Express sin3A and cos2A in terms of sine function

Consider the trigonometric expression sin (2A)/(1-cos 2A) and sin(2A)/(1+cos 2A) . Of the above expressions which one is tan A and which one is cot A?

Find f'(x) if f(x)=(sin x)^(sin x) for all 0ltxltpi