noun
- plural of sine; trigonometric functions that give the ratio of the opposite side to the hypotenuse in a right triangle
Usage: mathematics
Examples
- The students calculated the sines of various angles in their trigonometry homework.
- Sines and cosines are fundamental trigonometric functions.
- The graph shows how sines change as angles increase from 0 to 360 degrees.
- Engineers use sines to analyze wave patterns and oscillations.
- The calculator can compute sines for angles measured in degrees or radians.
- Understanding sines is essential for solving many geometry problems.