| Share
 

Trigonometric Functions

Trigonometric Functions

Function (abbreviation)DefinitionFormula
sine (sin)opposite / hypotenuse sin  A   =   a - c
cosine (cos)adjacent / hypotenuse cos  A   =   b - c
tangent (tan)opposite / adjacent tan  A   =   a - b
cotangent (cot or ctn)adjacent / opposite cot  A   =   b - a
secant (sec)hypotenuse / adjacent sec  A   =   c - b
cosecant (csc)hypotenuse / opposite csc  A   =   c - a

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: Mathematics


Premium Partner Content
HighBeam Research
Documents Images and Maps Reference
(from Newspapers, Magazines, Journals, Newswires, Transcripts and Books)

Research our extensive archive of more than 80 million articles from 6,500 publications.

Additional search results provided by HighBeam Research, LLC. © Copyright 2005. All rights reserved.

24 X 7

Private Tutor

Click Here for Details
24 x 7 Tutor Availability
Unlimited Online Tutoring
1-on-1 Tutoring