asin()
Returns the angle whose sine is the specified number (the inverse operation of sin()) .
Syntax
asin(x)
Arguments
- x: A real number in range [-1, 1].
Returns
- The value of the arc sine of
x nullifx< -1 orx> 1
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Returns the angle whose sine is the specified number (the inverse operation of sin()) .
asin(x)
xnull if x < -1 or x > 1