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asin

Function asin 

Source
pub fn asin(x: number) -> number
Expand description

Returns the arc sine of a number, in radians.

§Parameters

  • x: a number in the range [−1, 1].

§Return value

The arc sine of x, in radians, as a float in the range [−π/2, π/2]. Arguments outside [−1, 1] produce NaN.

§Examples

print(math.asin(0))     --> 0.0
print(math.asin(1))     --> 1.5707963267948966

§See also

acos, atan, sin