Been stuck on the this problem. Pre-Calculus. I assume I use Pythagorean Identities and Double Angle Identities. Solve for x in equation (I switched W to X I prefer to use Var X)

7cos(2x) = 7sin^2(x) + 2

Been stuck on the this problem PreCalculus I assume I use Pythagorean Identities and Double Angle Identities Solve for x in equation I switched W to X I prefer class=
Q&A Education