< High School Trigonometry
Trigonometric Identities
- Fundamental Identities
- Verifying Identities
- Sum and Difference Identities for Cosine
- Sum and Difference Identities for Sine and Tangent
- Double-Angle Identities
- Half-Angle Identities
- Product-and-Sum, Sum-and-Product, and Linear Combinations of Identities
- Trigonometric Identities Exercises
This material was adapted from the original CK-12 book that can be found here. This work is licensed under the Creative Commons Attribution-Share Alike 3.0 United States License
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