# Cotangent, Secant and Cosecant

For instance,

Cosecant is the reciprocal of sine.

Secant is the reciprocal of cosine.

Cotangent is the reciprocal of tangent.

When solving right triangles the three main identities are traditionally used. However, the reciprocal functions (secant, cosecant and cotangent) can be helpful in solving trig equations and simplifying trig identities.

Related Links:Math Trigonometry Inverse Cosine Function (Arccosine) Inverse Sine Function (Arcsine) |

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