Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

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

Frequently Asked Questions (FAQ)

  • Is sin^2(z)+cos^2(z)=1 ?

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