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