ATAN

Returns the inverse tangent of the given number in radians.

Sample Usage

ATAN(0.5)
ATAN(C5)

Syntax

ATAN(number)

• number - The number for which the inverse tangent is to be computed.
  

Examples

ATAN(0.5) returns the inverse tangent of 0.5 in radians.
ATAN(C5) returns the inverse tangent of the number contained in C5.

Notes

• Use the DEGREES function to convert the result of ATAN into degrees. For example, DEGREES(ATAN(0.5)).
• The ATAN function returns a solution between -Pi/2 and Pi/2.