| 释义 |
reduction formula
reduction formula n (Mathematics) 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
reduction formula
reduction formula[ri′dək·shən ‚fȯr·myə·lə] (mathematics) An equation that expresses an integral as the sum of certain functions and a simpler integral. 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°. |