Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

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

Frequently Asked Questions (FAQ)

  • Is cos^2(2x)+sin^2(2x)=1 ?

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