Question

solution of equation cos 2theta = cos ^2 theta is _____​

Answer 1

Step-by-step explanation:

4.7/5. 267 ... cos⁴θ + cos²θ = 1 [ ☆ Required answer ] ... (2) , adding equation (1) & (2), cos^2 θ+cos ^4 θ = sin θ + sin^2 θ = 1 ( given)

Answer 2

Answer:

valla valla valla valla valla valla valla