Englishfor English speakers
sine
—
noun
ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
wave
Noun
—
A wave is the motion of water up and down.
wave
Verb
—
To move from side to side again and again.
The flag waved in the wind.
oscillator
—
noun
generator that produces sonic oscillations or alternating current