单词 | cosecant |
释义 | cosecant/kəʊˈsiːk(ə)nt![]() noun Mathematics The ratio of the hypotenuse (in a right-angled triangle) to the side opposite an acute angle; the reciprocal of sine.The other angle, B has its tanglent equal to its cosecant (the reciprocal of the sine)....
OriginEarly 18th century: from modern Latin cosecant-, from co- 'mutually' + Latin secant- 'cutting' (from the verb secare). Compare with secant. |
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