Sum and Difference Identities
Added 2023-01-04 11:45:14 +0000 UTCThis trigonometry video tutorial explains how to find the exact of trigonometric expressions with angles in radians and degrees using the sum and difference identities & formulas of sine and cosine. This lesson contains plenty of examples and practice problems that will help you to get a thorough understanding of this material.
Comments
Super helpful, I now feel way more comfortable using sum and difference identities
Tanya Chidester
2023-03-24 04:42:25 +0000 UTC
