Solution

prove

Solution

Solution steps
Use the basic trigonometric identity:

Popular Examples

prove cos^2(θ)-sin^2(θ)=2cos^2(θ)-1prove prove 4(sin^6(x)+cos^6(x))=4-3sin^2(2x)prove prove (1-sin(θ))(1+sin(θ))=cos^2(θ)prove prove (csc(θ)-1)(csc(θ)+1)=cot^2(θ)prove prove sec(x)(1-sin^2(x))=cos(x)prove

Frequently Asked Questions (FAQ)

  • Is cos(θ)= 1/(sec(θ)) ?

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