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Trig Functions
| Term | Definition |
|---|---|
| X and Y terms: sin(t) = | ʸ⁄₁=y |
| X and Y terms: cos(t) = | ˣ⁄₁ = x |
| X and Y terms: tan (t) = | ʸ⁄ₓ |
| X and Y terms: csc (t) = | 1/y |
| X and Y terms: sec (t) = | ¹⁄ₓ |
| X and Y terms: cot (t) = | x/y |
| Even and Odd: Cos (-t) = | Cos (t) |
| Even and Odd: Tan (-t) = | -tan (t) |
| Even and Odd: Csc (-t) = | -Csc (t) |
| Even and Odd: Sec (-t) = | Sec (t) |
| Even and Odd: Cot (-t) = | -Cot (t) |
| Reciprocal Identities: Sin (t) = | 1/Csc(t) |
| Reciprocal Identities: Cos (t) = | 1/Sec(t) |
| Reciprocal Identities: Tan (t) = | 1/Cot(t) |
| Reciprocal Identities: Csc (t) = | 1/Sin(t) |
| Reciprocal Identities: Sec (t) = | 1/Cos(t) |
| Reciprocal Identities: Cot (t) = | 1/Tan(t) |
| Even and Odd: Sin (-t) | -Sin (t) |
| Quotient Identities: Tan(t) = | Sin(t)/Cos(t) |
| Quotient Identities: Cot(t) = | Cot(t)/Sin(t) |
| Pythagorean Identities: Sin and Cos | Sin(θ)² + Cos(θ)² = 1 |
| Pythagorean Identities: Tan and Sec | Sec²θ - Tan²θ = 1 |
| Pythagorean Identities: Cot and Csc | Csc²θ - Cot²θ = 1 |
Created by:
lauren.a
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