cosecant
/kəʊˈsiːk(ə)nt
/ /kəʊˈsɛk(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)....
- The variance of D is computed from the variance of the misclosure W scaled with the separation of the planes of position dv and the cosecant of the angle of maximum inclination of the slope dd.
- The secant and cosecant were not used by the early astronomers or surveyors.
Origin
Early 18th century: from modern Latin cosecant-, from co- 'mutually' + Latin secant- 'cutting' (from the verb secare). Compare with secant.