Solution
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
prove tan((4pi)/3-pi/4)=2-sqrt(3)prove sec(x)+tan(x)= 1/((sec(x)-tan(x)))prove ((1-sin^2(x)))/((1+cos(x)))=cos(x)prove 1-2cos^2(x)=-2+2sin^2(x)prove 2(sec(x)cot(x))=2csc(x)
Frequently Asked Questions (FAQ)
Is cos^3(x)+cos(x)sin^2(x)=cos(x) ?
The answer to whether cos^3(x)+cos(x)sin^2(x)=cos(x) is True