Difference between revisions of "Graphs of the Tangent, Cotangent, Cosecant and Secant Functions"

From Department of Mathematics at UTSA
Jump to navigation Jump to search
(fixing link to go straight to pdf)
Line 1: Line 1:
 +
== 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

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.

[note 1]

Cotangent

The cotangent of an angle is the reciprocal of its tangent.

Graphs

Resources


Cite error: <ref> tags exist for a group named "note", but no corresponding <references group="note"/> tag was found, or a closing </ref> is missing