Cosecant of Supplementary Angle

Theorem

 * $\map \csc {\pi - \theta} = \csc \theta$

where $\csc$ denotes cosecant.

That is, the cosecant of an angle equals its supplement.

Also see

 * Sine of Supplementary Angle
 * Cosine of Supplementary Angle
 * Tangent of Supplementary Angle
 * Cotangent of Supplementary Angle
 * Secant of Supplementary Angle