Question

sin power 4 theta + 2 sin squared theta 1 sin power 4 theta + 2 sin square theta sin power 4 theta + 2 square 2 science 2 sin power 4 theta + 2 sin square theta (1 - 1 by cos square theta closing bracket + cos power 4 is equals to cos power 4 ​

Answer 1

Answer:

Solve: if you can Prove that: sec^2 theta - ((sin^2 theta - 2 sin^4 theta) /(2 cos^4 theta - cos^2 theta)) = 1.