Solution
prove
Solution
Solution steps
Manipulating left side
Use the negative angle identity:
We showed that the two sides could take the same form
Popular Examples
prove tan(x)+cot(x)=(csc(x))/(cos(x))prove sec(θ)-tan(θ)sin(θ)=cos(θ)prove 4-8sin^2(x)=4cos(2x)prove 4cos^3(θ)-3cos(θ)=cos(3θ)prove cos(75)=cos(45+30)
Frequently Asked Questions (FAQ)
Is sin(x)=-sin(-x) ?
The answer to whether sin(x)=-sin(-x) is True