David
Farruggio

MathGenie

acosd

Inverse cosine in degrees

Syntax and Description

acosd(X) returns the inverse cosine (cos^-1) of the elements of X in degrees. The function's domain and range include complex values. For real elements of X in the domain [-1,1], acosd returns values in the range [0, 180]. For values of X outside this range, acosd returns complex values.

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