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SpreadJS Documentation / Formula Reference / Formula Functions / ACOS
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    ACOS
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    This function calculates the arccosine, that is, the angle whose cosine is the specified value.

    Syntax

    ACOS(value)

    Arguments

    For the argument, you can specify the cosine of the angle you want to return, which must be a value between –1 and 1.

    Remarks

    The result angle is in radians between 0 (zero) and PI (pi). If you want to convert the result to degrees, multiply the result by 180/PI.

    Data Types

    Accepts numeric data. Returns numeric data.

    Examples

    ACOS(B3)

    ACOS(R3C2)

    ACOS(0.5) gives the result 1.0471975512

    See Also