Translations:Documentation/Calc Functions/COS/19/en

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Formula Description Returns
=COS(1) cosine of 1 radian 0.54030230586814
=COS(PI()*2) cosine of 2*PI or 2π radians 1
=COS(RADIANS(60)) cosine of 60° by first converting angle in degrees to radians. 0.5