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BUILT-IN MATHEMATICA SYMBOL
ArcCos
ArcCos[z]
gives the arc cosine 
of the complex number 
.
Details
- Mathematical function, suitable for both symbolic and numerical manipulation.
- All results are given in radians.
- For real
between 
and 
, the results are always in the range 
to 
. - For certain special arguments, ArcCos automatically evaluates to exact values.
- ArcCos can be evaluated to arbitrary numerical precision.
- ArcCos automatically threads over lists.
- ArcCos[z] has branch cut discontinuities in the complex
plane running from 
to 
and 
to 
.
New in 1
