Difference between revisions of "Cotangent"
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<math>\cot \theta = \frac{\cos \theta}{\sin \theta} = \tan \left(\frac{\pi}{2} - \theta \right) = \frac{1}{\tan \theta} \,</math> | <math>\cot \theta = \frac{\cos \theta}{\sin \theta} = \tan \left(\frac{\pi}{2} - \theta \right) = \frac{1}{\tan \theta} \,</math> | ||
| − | [[Category: | + | [[Category:Trigonometry]] |
Revision as of 01:07, November 16, 2008
Cotangent is a trigonometric function describing the ratio of the adjacent side to the opposite side in a right triangle. It is often abbreviated cotan.
<math>\cot \theta = \frac{\cos \theta}{\sin \theta} = \tan \left(\frac{\pi}{2} - \theta \right) = \frac{1}{\tan \theta} \,</math>