Question

If cos +sino =1, find coso-sino.​

Answer 1

Answer:

If costheta + sintheta = √(2)costheta , show that costheta - sintheta = √(2)sintheta

Given, costheta + sintheta = √(2)costheta squaring on both the sides, we get, cos^2 theta + sin ^2theta + 2sinthetacostheta = 2cos^2 theta cos^2 theta ..