| 单词 | right sine |
| 释义 | > as lemmasright sine right sine n. Mathematics now rare a straight line drawn from one end of a circular arc parallel to the tangent at the other end, and terminated by the radius; the length of such a line (proportional to the sine of the angle). ΘΚΠ the world > relative properties > number > geometry > [noun] > branches of > trigonometry > functions of right sine1581 sine1593 secant1594 tangent1594 secans1599 cosine1635 cotangent1635 cosecant1706 sec.- 1581 W. Borough Discours Variation Cumpas v. sig. D.j Whiche is the second righte sine of the Semidiurnall ark. 1715 tr. D. Gregory Elements Astron. II. v. §32. 797 The Ratio between..the Radius and the Right Sine of the Angle ASD. 1824 Mechanic's Mag. 24 July 310/2 It is required to find a line representing the right sine of 36 deg. 8 min. 1918 W. M. Barr Industr. Engin. I. iii. 155 From two-thirds of the cube of the right sine of half the arc of the base, subtract the product. < as lemmas |
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