Solution
Solution
Solution steps
Manipulating left side
Factor
Rewrite using trig identities
Prove
We showed that the two sides could take the same form
Popular Examples
prove tan(x)(tan(2x))=tan^2(2x)prove tan(x+pi)-tan(pi-x)=2tan(x)prove cot(2x)= 1/(2(cot(x)-tan(x)))prove 2cos(x)-2cos^3(x)=sin(x)(sin(2x))prove (sin(6x))/(cos(6x))=6sin(x)
Frequently Asked Questions (FAQ)
Is 2cos(x)-2cos^3(x)=sin(x)*sin(2x) ?
The answer to whether 2cos(x)-2cos^3(x)=sin(x)*sin(2x) is True