Definition:Cotangent/Definition from Triangle
< Definition:Cotangent(Redirected from Definition:Cotangent of Angle)
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Definition
In the above right triangle, we are concerned about the angle $\theta$.
The cotangent of $\angle \theta$ is defined as being $\dfrac {\text{Adjacent}} {\text{Opposite}}$.
Also see
- Results about the cotangent function can be found here.
Sources
- 1968: Murray R. Spiegel: Mathematical Handbook of Formulas and Tables ... (previous) ... (next): $\S 5$: Trigonometric Functions: $5.4$