Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

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

Frequently Asked Questions (FAQ)

  • Is sin^2(2x)=1-cos^2(2x) ?

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