Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

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

Frequently Asked Questions (FAQ)

  • Is sin^2(a)+cos^2(a)=1 ?

    The answer to whether sin^2(a)+cos^2(a)=1 is True