How to Create a Table of Trigonometry Functions
Assign Negative and Positive Trig Function Values by Quadrant
How to Measure the Distance between Two Rooftops

The Secant Function

The secant function, abbreviated sec, is called a reciprocal function because it uses the reciprocal of the trig function, cosine. The secant function uses the ratio

image0.png

Just as with the cosecant, the ratio of the sides is greater than 1.

A right triangle with sides 5, 12, and 13.
A right triangle with sides 5, 12, and 13.

Using the triangle in the above figure, the two secants are

image2.png
  • Add a Comment
  • Print
  • Share
blog comments powered by Disqus
How to Compute the Reference Angles in Radians
How to Find a Missing Coordinate on a Unit Circle
Domain and Range of Sine and Cosine Functions
The Tangent Function: Opposite over Adjacent
How to Determine the Altitude of a Balloon
Advertisement

Inside Dummies.com