Topics Covered:

Using cofunction identities
Finding values of trigonometric functions given information about an angle: Problem type 3
Using reciprocal and quotient identities to simplify a trigonometric expression
Using Pythagorean identities to simplify a trigonometric expression
Verifying a trigonometric identity: Problem type 1
Verifying a trigonometric identity: Problem type 2
Verifying a trigonometric identity: Problem type 3
Proving an identity using fundamental trigonometric identities: Problem type 1
Proving an identity using fundamental trigonometric identities: Problem type 2
Proving an identity using fundamental trigonometric identities: Problem type 3
Proving trigonometric identities using odd and even identities