Solution
prove
Solution
Solution steps
Show that the two sides are not equal
Popular Examples
prove cos(2θ)csc^2(θ)=csc^2(θ)-2prove prove cos(x)-cos(x)=0prove prove sec(t)-sin(t)tan(t)=cos(t)prove prove (cos(θ)+cot(θ))/(csc(θ)+1)=cos(θ)prove prove (csc^2(θ)-2)/(csc^2(θ))=cos(2θ)prove
Frequently Asked Questions (FAQ)
Is cos(x+y)cos(x-y)=cos^2(x)-sin^2(x) ?
The answer to whether cos(x+y)cos(x-y)=cos^2(x)-sin^2(x) is False