Sine Meaning in English
word
Definition
In mathematics, sine is a trigonometric function that describes the ratio of the length of the side opposite an angle to the hypotenuse in a right triangle. It is also used to define the shape of waves.
Usage & Nuances
Strictly a mathematical and scientific term, almost never used outside those contexts. Most common in discussions of trigonometry, geometry, physics, and engineering. Don't confuse with 'sign', which sounds similar but is unrelated.
Example Sentences
The sine of 30 degrees is 0.5.
basic
We learned about sine and cosine in class today.
basic
The graph of the sine function is a wave.
basic
If you remember your sine tables, this problem is easy to solve.
natural
She uses the sine function to calculate the height of the building.
natural
Calculators have a sine button to help with trigonometry.
natural