Pronunciation: /ˈsi kænt/ Explain
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Manipulative 1: Secant Created with GeoGebra.

Secant is defined to be equal to the length of the hypotenuse divided by the length of the side adjacent to the angle. This is also equal to the multiplicative inverse of the cosine function. In manipulative 1, click on the blue points and drag them to change the figure.

secant = hypotenuse/adjacent; secant=1/cosine
Figure 1: Secant equations.

More Information

  • McAdams, David E. Cosine. All Math Words Encyclopedia. Life is a Story Problem LLC. 3/12/2009.

Cite this article as:

McAdams, David E. Secant. 5/5/2011. All Math Words Encyclopedia. Life is a Story Problem LLC.

Image Credits

Revision History

12/31/2008: Added equations. (McAdams, David E.)
11/1/2008: Changed manipulative to GeoGebra. (McAdams, David E.)
4/30/2008: Initial version. (McAdams, David E.)

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