noun. the inverse function of the sine; the angle that has a sine equal to a given number.
- inverse sine
- arc sine
- trigonometric function
- arc- (English)
- sin (English)
- sinne (Middle English (1100-1500))
Example sentences of the word arcsin
1. Noun, singular or mass
Asin is the arcsin or inverse sine function and is available on most calculators.