Learn how to use the trigonometric identities to solve problems. Students are introduced to the most common trig identities and shown how to use these identities to prove that a relation is valid. Numerous problems are introduced and worked in order to build skills in these areas.

Originally released by TMW Media Group, 2008. Streaming video file encoded with permission for digital streaming by Infobase on May 08, 2015.

Review of Trigonometric Functions (6:09); --Trigonometric Identities (6:04); -- Practice Proving Trigonometric Identities (10:01); -- More Practice Proving Trigonometric Identities (13:30); -- Additional Practice Proving Trigonometric Identities (7:59); .