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 tan^2(x)=sin^2(x)+sin^2(x)tan^2(x)prove prove-sin(x)sec(x)=-tan(x)prove prove cos(4x)-cos(3x)cos(x)=sin(2x)-4cos(2x)sin(2x)prove prove 2-2sin(x)-cos^2(x)=(sin(x)-1)^2prove prove cos(4x)=1-8sin^2(x)cos(x)prove
Frequently Asked Questions (FAQ)
Is cos(k(x)x)=cos(-k(x)x) ?
The answer to whether cos(k(x)x)=cos(-k(x)x) is True