Solution
prove
Solution
Solution steps
Use the Pythagorean identity:
Popular Examples
prove 1-sin^5(x)=cos^2(x)prove cot(pi/2-θ)cot(θ)=1prove (csc^2(t))/(cot(t))=tan(t)+cot(t)prove 4(5cos(2x))+(-20cos(2x))=0prove 2cos(2x)-1=1-2sin(2x)
Frequently Asked Questions (FAQ)
Is (sin(2x))^2+(cos(2x))^2=1 ?
The answer to whether (sin(2x))^2+(cos(2x))^2=1 is True