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Trigonometric Identities Equations
| Description | Equation |
|---|---|
| Double Angle Identity - Cosine |  |
| Double Angle Identity - Sine |  |
| Eulers Formula |  |
| Half Angle Identity - Cosine |  |
| Half Angle Identity - Sine |  |
| Sum and Difference of Angles Identity - Cosine |  |
| Sum and Difference of Angles Identity - Sine |  |
| Sum and Difference of Angles Identity - Tangent |  |
| Superposition (Addition and Subtraction) of Sine of Angles |  |
| Superposition (Addition) of Cosine of Angles |  |
