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sine
noun
the reciprocal of the cosecant; specif.,
- the ratio of the opposite side of a given acute angle in a right triangle to the hypotenuse
- an equivalent, positive or negative ratio for certain related angles (Ex.: the sine of 57° or 123° is .8387, of 237° or 303° is -.8387) or real numbers representing radians (Ex.: the sine of .9948 radians (57°) is .8387)
without
See sine in American Heritage Dictionary 4
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