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

Frequently Asked Questions (FAQ)

  • Is cos(-2x)=cos(2x) ?

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