Solution
prove
Solution
Solution steps
Show that the two sides are not equal
Popular Examples
prove cos(φ+a)-cos(φ-a)=-2sin(φ)sin(a)prove prove (1-cos(θ))(1-cos(θ))= 1/(csc^2(θ))prove prove cot(-θ)=-cot(θ)prove prove sin^2(15x)+cos^2(15x)=1prove prove cos(2x)cos(x)-sin(2x)sin(x)=4cos^3(x)-3cos(x)prove
Frequently Asked Questions (FAQ)
Is cos(x)=sin(x-pi) ?
The answer to whether cos(x)=sin(x-pi) is False