Solution

prove

Solution

Solution steps
Use the Pythagorean identity:

Popular Examples

prove cos(x-pi/3)+sin(pi/6-x)=cos(x)prove prove coth^2(x)-1=csch^2(x)prove prove (cos^4(x)-sin^4(x))/(cos^2(x))=1-tan^2(x)prove prove csc^2(x)+cot^2(x)=2csc^2(x)-1prove prove cot(pi/2-x)=tan(x)prove

Frequently Asked Questions (FAQ)

  • Is sec^2(x)-1=tan^2(x) ?

    The answer to whether sec^2(x)-1=tan^2(x) is True