Solution
prove
Solution
Solution steps
Show that the two sides are not equal
Popular Examples
prove cos(4x)+sin(4x)=cos(2x)prove prove (sec(x)-1)/(sec(x))=2sin^2(x/2)prove prove sin(2pi-B)=-sin(B)prove prove sin^3(x)=sin^2(x)sin(x)prove prove (cos^2(a))/(1+sin(a))=1-sin(a)prove
Frequently Asked Questions (FAQ)
Is cos(θ)= 2/3 ?
The answer to whether cos(θ)= 2/3 is False