Solution
prove
Solution
Solution steps
Use the Pythagorean identity:
Popular Examples
prove 2-csc^2(x)=1-cot^2(x)prove prove 1-sin^2(θ)=cos^2(θ)prove prove sin(8x)=2sin(4x)cos(4x)prove prove sin(t)csc(pi/2-t)=tan(t)prove prove cos(x)cot(x)=csc(x)-sin(x)prove
Frequently Asked Questions (FAQ)
Is sin^2(x)-1=-cos^2(x) ?
The answer to whether sin^2(x)-1=-cos^2(x) is True