Solution

prove

Solution

Solution steps
Use the basic trigonometric identity:

Popular Examples

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

Frequently Asked Questions (FAQ)

  • Is cos(x)= 1/(sec(x)) ?

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