atan(n)
Returns the arctangent value of radians value n. n can be any real numeric value in the range of -1e308 <= n <= 1e308. If null is passed as an argument, atan() returns null. This function can only be used in a foreach statement.
Returns the arctangent value of radians value n. n can be any real numeric value in the range of -1e308 <= n <= 1e308. If null is passed as an argument, atan() returns null. This function can only be used in a foreach statement.