Trigonometry identities Power Reduction Calculator
Trigonometry calculator to rewrite and evaluate the trigonometric functions using power reduction formulas. The power reduction formulas are obtained by solving the second and third versions of the cosine doubleangle formula.
Trigonometry Power Reduction

Enter U Angle

Result:
Formula Used:
sin^{2}θ = [1  cos(2θ) ] / 2
cos^{2}θ = [1 + cos(2θ) ] / 2
tan^{2}θ = [1  cos(2θ) ] / [1 + cos(2θ) ]
Trigonometry Identities Power Reduction calculation is made easier here.