proof sin^2(x) = 1/2 - 1/2 cos(2x) Prove that sin^2(x) = 1/2 – 1/2 cos(2x) Post published:December 29, 2022 Post category:Calculus/Mathematics Post comments:0 Comments Continue ReadingProve that sin^2(x) = 1/2 – 1/2 cos(2x)