IN MATH: 1. n. with respect to a circle, a line which intersects the circle in two points. 2. n. in a right triangle, the ratio of the length of the hypotenuse to the length of the leg adjacent to the angle. 2. a function of all angles except , etc.; the reciprocal of the cosine. EX.

IN ENGLISH: 1. as defined above.
APPLICATION: See list 330.
5. Explain how to find using a calculator.
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