Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

prove tan(pi+x)=tan(x)prove prove ((cot(x)+tan(x)))/(cot(x)-tan(x))=sec(2x)prove prove cot(a)+tan(a)=sec(a)csc(a)prove prove tan(x)+cot(x)=sec(x)+csc(x)prove prove 7sin(9pi-x)=7sin(x)prove

Frequently Asked Questions (FAQ)

  • Is sin^2(pi)=1-cos^2(pi) ?

    The answer to whether sin^2(pi)=1-cos^2(pi) is True