Difference between revisions of "Cosine"
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m (Reverted edits by Ronpaulrules2 (Talk); changed back to last version by Hojimachong) |
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| − | + | '''Cosine''' is a [[trigonometry|trigonometric]] function. | |
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| − | < | + | <math>\cos \theta = \sin \left(\frac{\pi}{2} - \theta \right) = \frac{1}{\sec \theta}\,</math> |
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| − | + | [[Category:Mathematics]] | |
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Revision as of 17:33, September 12, 2007
Cosine is a trigonometric function.
<math>\cos \theta = \sin \left(\frac{\pi}{2} - \theta \right) = \frac{1}{\sec \theta}\,</math>