Returns the angle whose sine is the specified number.

Syntax

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float math.asin(float a)

Parameters

Name Data Type Description
a Float A number representing a sine, where -1 ≤A≤ 1.

Return Value

Data Type Description
Float An angle, θ, measured in radians, such that -π/2 ≤ θ ≤ π/2 -or- NaN ifA< -1 orA> 1.

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