reduction formula
British
noun
-
maths a formula, such as sin (90° ± A ) = cos A , expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
"Collins English Dictionary — Complete & Unabridged"
2012 Digital Edition
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Apply a reduction formula to evaluate ∫ sec3 x dx.
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Mar. 30, 2016
The last reduction formula is derived by writing tangent in terms of sine and cosine:
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Feb. 13, 2015
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
