Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

prove sin(-x)+cos(-x)=cos(x)-sin(x)prove prove sin(x)+csc(x)cos^{(2)}(x)=csc(x)prove prove sin(x)=2sin(x/2)cos(x/2)prove prove (cos(x))/(sec(x)-tan(x))=1-sin(x)prove prove (4sin^2(x))/(sin(2x))=2tan(x)prove

Frequently Asked Questions (FAQ)

  • Is 1=csc^2(z)-cot^2(z) ?

    The answer to whether 1=csc^2(z)-cot^2(z) is True