COS - Cosine

  • Last update：July 14, 2023

    • Overview

    Grammar

    COS(number)

    Returns the cosine of an angle.

    Parameter

    number

    The angle in radians you want the cosine of.

    Notes

    • The function supports only one numerical parameter and returns illegal if more than one numerical parameters are set.

    • To express the returned angle in radians, multiply the result by PI()/180. COS(n*2*PI()+number)=COS(number) (n is an integer and the number is from - pi to pi).

    Example

    FormulaResultNotes
    COS(0.5)0.877582562
    COS(30*PI()/180)0.866025404


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