cljs.math/atan

function

since v1.11.50

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Source docstring:

Returns the arc tangent of a, in the range of -pi/2 to pi/2.
If a is ##NaN => ##NaN
If a is zero => zero with the same sign as a
See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/atan

(defn ^number atan
  {:added "1.11.10"}
  [a] (Math/atan a))

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