asin

To calculate the arcsine

The function returns the arcsine of a number. 
Syntax
asin(number)
Return
number
Examples 
asin(x) To calculate the arcsine of a given number x between -1 and 1. 
1
asin(-0.25) 
Result: -0.25268025514207865 
​
1
asin(1) 
Result: 1.5707963267948966 
​
1
asin(2) 
Result: (invalid)
See also
​sin, which calculates the sine of a number.

array

atan

Last modified 9mo ago