Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

prove (sec^2(t)-1)/(sec^2(t))=sin^2(t)prove prove cos(θ)=cos(-θ)prove prove 4cos^3(x)-3cos(x)=cos(3x)prove prove (csc^2(θ))/(cot(θ))=sec(θ)csc(θ)prove prove tan(θ)cot(θ)-cos^2(θ)=sin^2(θ)prove

Frequently Asked Questions (FAQ)

  • Is cot^2(θ)-csc^2(θ)=-1 ?

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