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单词	cosecant
释义	cosecant noun co·​se·​cant (ˌ)kō-ˈsē-ˌkant  -kənt 1 : a trigonometric function that for an acute angle is the ratio between the hypotenuse of a right triangle of which the angle is considered part and the leg opposite the angle 2 : a trigonometric function csc θ that is the reciprocal of the sine for all real numbers θ for which the sine is not zero and that is exactly equal to the cosecant of an angle of measure θ in radians Word History Etymology New Latin cosecant-, cosecans, from co- + secant-, secans secant First Known Use circa 1706, in the meaning defined at sense 1
随便看	sensism sensists sensitisation sensitisation, sensitise sensitisations sensitise sensitised sensitiser sensitisers sensitises sensitising sensitive sensitive brier sensitive drill sensitive fern sensitive frog sensitive joint vetch sensitive lamina sensitive paper sensitive pea sensitive plant sensitive rose sensitive shrub sensitive soul sensitively

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