Pythagorean Identities (Basic Trig Identities)

In this video, we are going to derive the Pythagorean Identities (proofs) and then we will simplify expressions using these identities. We will work through 3 practice problems.

TIMESTAMPS:
0:00 Deriving the Pythagorean Identities
3:29 Example 1
4:46 Example 2
7:47 Example 3