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ATAN

Returns the arctangent of a number.

Math & TrigonometryMath Basics

What it does

Returns the arctangent (inverse tangent) of a number in radians.

Syntax

ATAN(number)

Arguments

  • number(number) β€” The tangent of the angle.

Examples

Calculate angle

Calculate arctangent of 1 (45 degrees).

FORMULA
=ATAN(1)*180/PI()
RESULT
45
SAMPLE DATA
A
1Slope
21