Question

If cos theta + cos^2 theta = 1 then prove that sin^12 + 3sin^10 + 3sin^8 +sin^6 +2sin^4 +2sin^2 - 2 = 1

Answer 1

sin^12 + 3sin^10 + 3sin^8 +sin^6 +2sin^4, sin^12 , is right ? sin^12theta?