Difference between revisions of "Graphs of the Tangent, Cotangent, Cosecant and Secant Functions"
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+ | == Secant, Cosecant, and Cotangent == | ||
+ | |||
+ | === Secant === | ||
+ | |||
+ | The '''secant''' of an angle is the reciprocal of its cosine. | ||
+ | |||
+ | <math>\sec x = \frac{1}{\cos x}</math> | ||
+ | |||
+ | === Cosecant === | ||
+ | |||
+ | The '''cosecant''' of an angle is the reciprocal of its sine. | ||
+ | |||
+ | <math>\operatorname{cosec} x = \frac{1}{\sin x}</math> <ref group="note">Some sources may use <math>\csc x</math>, but this notation is not endorsed by Cambridge</ref> | ||
+ | |||
+ | === Cotangent === | ||
+ | |||
+ | The '''cotangent''' of an angle is the reciprocal of its tangent. | ||
+ | |||
+ | <math>\cot x = \frac{1}{\tan x}</math> | ||
+ | |||
+ | === Graphs === | ||
+ | |||
+ | <gallery widths="240px" > | ||
+ | Secant.svg|Graph of sec x | ||
+ | Cosecant.svg|Graph of cosec x | ||
+ | Cotangent.svg|Graph of cot x | ||
+ | </gallery> | ||
+ | |||
+ | ==Resources== | ||
* [https://mathresearch.utsa.edu/wikiFiles/MAT1093/Graphs%20of%20the%20Tangent,%20Cotangent,%20Cosecant%20and%20Secant%20Functions/Esparza%201093%20Notes%202.5.pdf Graphs of the Tangent, Cotangent, Cosecant and Secant Functions]. Written notes created by Professor Esparza, UTSA. | * [https://mathresearch.utsa.edu/wikiFiles/MAT1093/Graphs%20of%20the%20Tangent,%20Cotangent,%20Cosecant%20and%20Secant%20Functions/Esparza%201093%20Notes%202.5.pdf Graphs of the Tangent, Cotangent, Cosecant and Secant Functions]. Written notes created by Professor Esparza, UTSA. |
Revision as of 15:46, 5 October 2021
Contents
Secant, Cosecant, and Cotangent
Secant
The secant of an angle is the reciprocal of its cosine.
Cosecant
The cosecant of an angle is the reciprocal of its sine.
Cotangent
The cotangent of an angle is the reciprocal of its tangent.
Graphs
Resources
- Graphs of the Tangent, Cotangent, Cosecant and Secant Functions. Written notes created by Professor Esparza, UTSA.
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