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 sin(θ)-tan(θ)=(sin(θ))/(1-cos(θ))prove sin^2(u)=((1-cos(2u)))/2prove 2cos^2(x)-1=-2sin^2(x)+1prove sin(x)=-1=sin(0)=-1prove sin((3pi)/2-θ)=cos(θ)

Frequently Asked Questions (FAQ)

  • Is sin(-(2pi)/5)=-sin((2pi)/5) ?

    The answer to whether sin(-(2pi)/5)=-sin((2pi)/5) is True