| Line 1: | Line 1: | ||
{| | {| | ||
|- | |- | ||
| − | ! colspan="2" style="background: | + | ! style="background: rgb(228, 188, 126) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; font-size: 110%;" colspan="2" | Trigonometric Identities |
| + | |- | ||
| + | ! style="background: rgb(238, 238, 238) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" colspan="2" | Basic Definitions | ||
|- | |- | ||
| align="right" style="padding-right: 1em;" |Definition of tangent | | align="right" style="padding-right: 1em;" |Definition of tangent | ||
| Line 9: | Line 11: | ||
| <math> \cot \theta = \frac{\cos \theta}{\sin\theta} </math> [[User:Kumar51formulas|credit]] | | <math> \cot \theta = \frac{\cos \theta}{\sin\theta} </math> [[User:Kumar51formulas|credit]] | ||
|- | |- | ||
| − | | align="right" style="padding-right: 1em;" | | + | | align="right" style="padding-right: 1em;" | Definition of secant |
| − | | | + | | <math>\sec \theta = \frac{1}{\cos \theta}</math> |
| + | |- | ||
| + | | align="right" style="padding-right: 1em;" | Definition of cosecant | ||
| + | | <math>\csc \theta = \frac{1}{\sin \theta}</math> | ||
| + | |- | ||
| + | ! style="background: rgb(238, 238, 238) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" colspan="2" | Pythagorean identity and other related identities | ||
| + | |- | ||
| + | | align="right" style="padding-right: 1em;" | Pythagorean identity | ||
| + | | <math>\cos^2 \theta+\sin^2 \theta =1</math> | ||
|- | |- | ||
| − | | align="right" style="padding-right: 1em;" | | + | | align="right" style="padding-right: 1em;" | write name here |
| place formula here | | place formula here | ||
|} | |} | ||
Revision as of 08:02, 22 October 2010
| Trigonometric Identities | |
|---|---|
| Basic Definitions | |
| Definition of tangent | $ \tan \theta = \frac{\sin \theta}{\cos\theta} $ credit |
| Definition of cotangent | $ \cot \theta = \frac{\cos \theta}{\sin\theta} $ credit |
| Definition of secant | $ \sec \theta = \frac{1}{\cos \theta} $ |
| Definition of cosecant | $ \csc \theta = \frac{1}{\sin \theta} $ |
| Pythagorean identity and other related identities | |
| Pythagorean identity | $ \cos^2 \theta+\sin^2 \theta =1 $ |
| write name here | place formula here |
