ATan

Syntax

ATan(Value)

Parameters

Value. Cotangent of the required angle.

NOTE. To determine the parameter, specify either the number or the address of the cell where it is located.

Description

It returns the number arctangent.

Comments

The arctangent of a number is the angle, the tangent of which is equal to the number. The returned angle is given in radians in the range -Pi/2 to Pi/2.

Example

Formula	Result	Description
=ATan(B6)	-1,1264	The arctangent of the number from the B6 cell expressed in radians. The B6 cell contains the 2.3 number.
=ATan(1)	0,7853	The arctangent of the 1 number expressed in radians.

NOTE. To convert the result from radians to degrees, use the Degrees feature.