Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

prove (cos(pi-x))/(cos(pi/2+x))=cot(x)prove prove cos^2(x)(sec(x)+1)^2=(1+cos(x))^2prove prove cot^2(x)cos^2(x)=cot^2(x)-cos^2(x)prove prove sin(a)=cos(90+a)prove prove cot(θ)+tan(θ)=2csc(2θ)prove

Frequently Asked Questions (FAQ)

  • Is 1-sin^2(x)=cos^2(x) ?

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