Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

prove (sec^2(x)-1)cos^2(x)=sin^2(x)prove prove tan(x)=(1-cos(2x))/(sin(2x))prove prove (sec^2(x)-1)cos(x)=sin^2(x)sec(x)prove prove sin^3(x)+sin(x)cos^2(x)=sin(x)prove prove 2/(cot(x)+tan(x))=sin(2x)prove

Frequently Asked Questions (FAQ)

  • Is sin^2(θ)=1-cos^2(θ) ?

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