Solution
prove
Solution
Solution steps
Show that the two sides are not equal
Popular Examples
prove 2-2sin^2(x/2)=2sin^2(x)prove prove cos(6x)=1-2sin^2(3x)prove prove 1=1+tan^2(x)prove prove tan(x-360)=tan(x)prove prove (tan^2(t))/(sin(t))=tan(t)sec(t)prove
Frequently Asked Questions (FAQ)
Is cos^2(2θ)-sin^2(2θ)=2cos^2(θ)-1 ?
The answer to whether cos^2(2θ)-sin^2(2θ)=2cos^2(θ)-1 is False