Pre-Calculus Honors Module 6 Review

The Double-Angle formula can be used to find the \sin22.5\degree

\cot x=\frac{\cos x}{\sin x}

To verify an identity you can perform operations on both sides of the identity as you can in an equation.

An identity is a mathematical statement that is...

Which is not a Pythagorean Identity?

Simplify \frac{1-\cos^2x}{\sin x}

Simplify\sec y^{^{ }}⋅\sin\left(\frac{\pi}{2}-y\right)

In verifying an identity each line must be equivalent to the line above.