Solution
Solution
Solution steps
Manipulating left side
Expand
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
prove 1-sin^5(x)=cos^2(x)prove cot(pi/2-θ)cot(θ)=1prove cos(x/2)(1-cos(x))=sin(x/2)sin(x)prove (csc(x)-cot(x))/(sec(x)-1)=csc(x)prove (csc^2(t))/(cot(t))=tan(t)+cot(t)
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