Solution

prove

Solution

Solution steps
Use the basic trigonometric identity:

Popular Examples

prove sin^2(x)+4cos^2(x)=4-3sin^2(x)prove sin(a+b)=sin(a)cos(b)+cos(a)sin(b)prove sin(B)+cos(B)cot(B)=csc(B)prove 3sin(5pi-x)=3sin(x)prove cos^2(θ)=(1+cos(2θ))/2

Frequently Asked Questions (FAQ)

  • Is tan(2x)=(sin(2x))/(cos(2x)) ?

    The answer to whether tan(2x)=(sin(2x))/(cos(2x)) is True