Solution
Solution
Solution steps
Manipulating left side
Express with sin, cos
We showed that the two sides could take the same form
Popular Examples
prove sin(a+90)=cos(90)prove cos(pi/3+θ)+cos(pi/3-x)=cos(x)prove csc^2(x)tan(x)-cot(x)=tan(x)prove 1-sin^2(x)=-cos(x)prove tan^{-3}(x)=(tan(x))^{-3}
Frequently Asked Questions (FAQ)
Is (tan(a))(cos(a))=sin(a) ?
The answer to whether (tan(a))(cos(a))=sin(a) is True