Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

prove (cos^2(x)-1)/(cos(x)-1)=cos(x)+1prove prove cosh^{(2)}(x)-sinh^{(2)}(x)=1prove prove sin(2x)-cos(2x)=1-2cos(2x)prove prove cot^2(x)tan(x)sin(x)=cos(x)prove prove tan(x)(csc^{(2)}(x)-1)=cot(x)prove

Frequently Asked Questions (FAQ)

  • Is 1-cos^2(2x)=sin^2(2x) ?

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