# Tangent and cotangent relationship to csc

### Trigonometric functions - Wikipedia

Paul Dawkins. Formulas and Identities. Tangent and Cotangent Identities sin cos tan cot cos sin θ θ θ θ θ θ. = = Reciprocal Identities. 1. 1 csc sin sin csc. 1. You are thinking about all of the possible relationships between sides. You already They are the reciprocals of sine, cosine and tangent. In mathematics, the trigonometric functions are functions of an angle. They relate the angles of The sine and cosine functions are also commonly used to model periodic Especially with the last four, these relations are often taken as the definitions of Sine, cosine, and tangent; Secant, cosecant, and cotangent.

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