What is the code for this cosine symbol?

Hi,

How to write the cos-1 in Matlab? Is it to only use 'cosd' or 'cosd' but with some to represent -1?

Has anyone seen the cos-1 expression before?

Answer 1

[Walter Roberson]

acosd

By convention, a trig function with a above it, represents the "arc" of the function

[Salad Box]

That is really helpful. Thank you.