atan

calculate the inverse tangent of given angle

Parameters

atan angle :integer :floating :complex :quantity

Returns

  • :floating
  • :complex

Examples

copy
print atan 0                ; 0.0
print atan 0.3              ; 0.2914567944778671
print atan 1.0              ; 0.7853981633974483

copy
atan to :complex @[pi 1]
; => 1.287340574324392+0.08505998507745416i

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