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