Solution
prove
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
prove sin(θ/2)=12-20prove prove cos^3(x)+cos(x)sin^2(x)=cos(x)prove prove tan((4pi)/3-pi/4)=2-sqrt(3)prove prove sec(x)+tan(x)= 1/((sec(x)-tan(x)))prove prove ((1-sin^2(x)))/((1+cos(x)))=cos(x)prove
Frequently Asked Questions (FAQ)
Is cos(pi-t)=-cos(t) ?
The answer to whether cos(pi-t)=-cos(t) is True