Solution

prove

Solution

Solution steps
Manipulating right side
Rewrite using trig identities
We showed that the two sides could take the same form

Popular Examples

prove tan(pi/2-x)cot(x)=csc^2(x)-1prove prove (cot^2(x))/(cos(x))=cot(x)*csc(x)prove prove 1-tan(x)=(cos(x)-sin(x))/(cos(x))prove prove sin(2t+pi)=sin(2t)cos(pi)+cos(2t)sin(pi)prove prove (tan(x)-1)/(sec(x))=sin(x)-cos(x)prove

Frequently Asked Questions (FAQ)

  • Is cos(8x)=cos^2(4x)-sin^2(4x) ?

    The answer to whether cos(8x)=cos^2(4x)-sin^2(4x) is True