cljs.math/acos

functionsince v1.11.50Edit
(acos a)

Source docstring:
Returns the arc cosine of a, in the range 0.0 to pi.
If a is ##NaN or |a|>1 => ##NaN
See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/acos
Source code @ clojurescript:src/main/cljs/cljs/math.cljs
(defn ^number acos
  {:added "1.11.10"}
  [a] (Math/acos a))