% ACOS   Inverse cosine, result in radians.
%    ACOS(X) is the arccosine of the elements of X. Complex
%    results are obtained if ABS(x) > 1.0 for some element.
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%    See also COS, ACOSD.
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%    Reference page in Doc Center
%       doc acos
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%    Other functions named acos
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%       codistributed/acos    gpuArray/acos    sym/acos    ts/acos
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