noun
- plural of cosecant; the reciprocals of the sines of angles in trigonometry
Usage: mathematics; trigonometry
Examples
- The students calculated the cosecants of various angles in their trigonometry homework.
- Cosecants are undefined when the sine of an angle equals zero.
- The graph shows the cosecants approaching infinity at certain points.
- She memorized the cosecants of common angles like 30°, 45°, and 60°.
- The calculator can compute cosecants for both degrees and radians.
- Cosecants are reciprocal functions that appear frequently in advanced mathematics.