单词 | reduction formula |
释义 | reduction formula [ri`dǝk·shǝn ´fȯr·myǝ·lǝ] MATHEMATICS 1. An equation that expresses an integral as the sum of certain functions and a simpler integral. 2. An identity that expresses the values of a trigonometric function of an angle greater than 90° in terms of a function of an angle less than 90°. |
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