| 释义 |
sine
sine /saɪn/ noun [C] (WRITTEN ABBREVIATION sin) specialized
► F0 (in a triangle that has one angle of 90°) the ratio of the length of the side opposite an angle less than 90° divided by the length of the hypotenuse (= the side opposite the 90° angle)→ COMPARE COSINE(Cf. ↑cosine), TANGENT(Cf. ↑tangent) (TRIANGLE)Thesaurus+: ↑Describing angles, lines and orientations |