Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

prove 1/(cot(x)+1)+1/(tan(x)+1)=1prove prove sin^2(x)+cos(2x)=cos^2(x)prove prove (1-cot^2(x))/(tan^2(x)-1)=cot^2(x)prove prove csc(x)tan(x)=sec(x)prove prove (1cot(x))/(csc(x))=sin(x)cos(x)prove

Frequently Asked Questions (FAQ)

  • Is tan^2(x)=sec^2(x)-1 ?

    The answer to whether tan^2(x)=sec^2(x)-1 is True