Solution

prove

Solution

Solution steps
Use the basic trigonometric identity:

Popular Examples

prove arctan(x)= 1/(tan(x))prove cos(4x)=1-8sin^2(x)+8sin^4(x)prove (sec(x))/(csc(x))=tan(x)prove cot^2(θ)(1+tan^2(θ))=csc^2(θ)prove tan^2(u)-sin^2(u)=tan^2(u)sin^2(u)

Frequently Asked Questions (FAQ)

  • Is cos(x)= 1/(sec(x)) ?

    The answer to whether cos(x)= 1/(sec(x)) is True