Question

show that solution of cospθ=sin2θ form two series each of which is an A.P.Find also the common difference each A.P (p≠q)

Answer 1

Answer:

cos theta = sin 2 theta

cos theta = cos(90-2 theta)

theta= 90 - 2 theta

3 theta = 90

theta = 30

but how to find the common difference?

Step-by-step explanation: