Difference between revisions of "Trigonometric identities"
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| − | <math>\sin^2x + \cos^2x = 1</math> | + | *<math>\sin^2x + \cos^2x = 1</math> |
| − | <math>|1-e^{i\theta}|=2\sin\frac{\theta}{2}</math> | + | *<math>|1-e^{i\theta}|=2\sin\frac{\theta}{2}</math> |
This page is incomplete--if you know of a trigonometric identity, add it. | This page is incomplete--if you know of a trigonometric identity, add it. | ||
Revision as of 22:58, 21 June 2006
Trigonometric identities are used to manipulate trig equations in certain ways. Here is a list of them:
This page is incomplete--if you know of a trigonometric identity, add it.
