from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See trigonometric function.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a trigonometric function
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
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