Function Repository Resource:

ArcCosDegree

Source Notebook

Compute the inverse cosine of a number and return a result in degrees

Contributed by: Paco Jain (Wolfram Research)

ResourceFunction["ArcCosDegree"][x]

computes the inverse cosine of x in degrees.

Details and Options

Mathematical function, suitable for both symbolic and numerical manipulation.
ResourceFunction["ArcCosDegree"][x] is undefined outside the range -1 to 1.
ResourceFunction["ArcCosDegree"][x] always returns a value in the range 0 to 180.
For certain special arguments, ResourceFunction["ArcCosDegree"] automatically evaluates to exact values.
ResourceFunction["ArcCosDegree"] can be evaluated to arbitrary numerical precision.
ResourceFunction["ArcCosDegree"] automatically threads over lists.

Examples

Basic Examples (2) 

Compute the inverse cosine of a number:

In[1]:=
ResourceFunction["ArcCosDegree"][1]
Out[1]=

Plot over a given range of values:

In[2]:=
Plot[ResourceFunction["ArcCosDegree"][x], {x, -2, 2}]
Out[2]=

Scope (2) 

Evaluate numerically:

In[3]:=
ResourceFunction["ArcCosDegree"][0.63]
Out[3]=

Evaluate to high precision:

In[4]:=
N[ResourceFunction["ArcCosDegree"][-2/10], 50]
Out[4]=

Requirements

Wolfram Language 11.3 (March 2018) or above

Version History

  • 1.0.0 – 04 December 2018

Related Resources

License Information