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

Frequently Asked Questions (FAQ)

  • Is cos(x+1)=cos(-x-1) ?

    The answer to whether cos(x+1)=cos(-x-1) is True