Solution
Solution
Solution steps
Manipulating left side
We showed that the two sides could take the same form
Popular Examples
prove-2sin(2x+pi)=-2sin(2x-pi)prove cos(θ)(1/(1-sin(θ)))=sec(θ)+tan(θ)prove 2sin(a+b)sin(a-b)=cos(2b)-cos(2a)prove 1/(sin(x))=2prove (cos(θ)-sin(θ))^2=1+sin(2θ)
Frequently Asked Questions (FAQ)
Is cos^2(x)-sin^2(x)+1=2cos^2(x) ?
The answer to whether cos^2(x)-sin^2(x)+1=2cos^2(x) is True