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 3csc(x)-cot(x)=(3-cos(x))/(sin(x))prove 1/(1-sin(θ))=sec^2(θ)+sec(θ)tan(θ)prove 2sin(x)=tan(x)prove cot(x)-1=csc(x)(cos(x)-sin(x))prove-cos(x)=sin(x+pi/2)

Frequently Asked Questions (FAQ)

  • Is cos(-(xpi)/3)=cos((xpi)/3) ?

    The answer to whether cos(-(xpi)/3)=cos((xpi)/3) is True