atan

To calculate the arctangent

The function returns the arctangent of a number. 
Syntax
atan(number)
Return
number
Examples 
atan(x) To calculate the arctangent of a given number x between -1 and 1.
1
atan(15) 
Result: 1.5042281630190728
See also
​atan2, which calculates the arctangent of the quotient.
​tan, which calculates the tangent.

asin

atan2

Last modified 1yr ago