Mathematics (2019) Grade(s): 09-12 - Precalculus
MA19.PRE.37b
Use the Pythagorean identity $\sin^2 (\theta) + \cos^2(\theta) = 1$ to derive the other forms of the identity.
Use the Pythagorean identity $\sin^2 (\theta) + \cos^2(\theta) = 1$ to derive the other forms of the identity.
COS Examples
Example: $1 + cot^2 ( \theta) = csc^2 ( \theta)$