Solution

prove

Solution

Solution steps
Manipulating right side
Rewrite using trig identities
Use the Pythagorean identity:
Add similar elements:
We showed that the two sides could take the same form

Popular Examples

prove sin(40)=2*sin(20)*cos(20)prove 9sec(y)cos(y)=9prove-sin(-x)=sin(x)prove tan^2(x)+2=sec^2(x)+1prove tan^2(t)sin^2(t)=tan^2(t)-sin^2(t)

Frequently Asked Questions (FAQ)

  • Is 1-2cos^2(x)=sin^2(x)-cos^2(x) ?

    The answer to whether 1-2cos^2(x)=sin^2(x)-cos^2(x) is True