Solution

prove

Solution

Solution steps
Manipulating left side
Use the negative angle identity:
We showed that the two sides could take the same form

Popular Examples

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

Frequently Asked Questions (FAQ)

  • Is cos(x)=cos(-x) ?

    The answer to whether cos(x)=cos(-x) is True