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ACOS function and ways to use
Objective : This article describes the formula syntax and
usage of the ACOS function (function: A prewritten formula that takes a value
or values, performs an operation, and returns a value or values. Use functions
to simplify and shorten formulas on a worksheet, especially those that perform
lengthy or complex calculations.) in Microsoft Excel.
Description
Returns the arccosine, or inverse cosine, of a number. The
arccosine is the angle whose cosine is number. The returned angle is given in
radians in the range 0 (zero) to pi.
Syntax
ACOS(number)The ACOS function syntax has the following
arguments (argument: A value that provides information to an action, an event,
a method, a property, a function, or a procedure.):
Number Required. The
cosine of the angle you want and must be from -1 to 1.
Remark
If you want to convert the result from radians to degrees,
multiply it by 180/PI() or use the DEGREES function.
Example
