AdvancedProTrig Functions
Arctan
f(x) = arctan(x)
Overview
Arctan is the inverse of tan. It's defined for all real x and has horizontal asymptotes at ±π/2.
Domain
(-∞, +∞)
Range
(-π/2, π/2)
Symmetry
Odd
Key Properties
1
Domain: all real numbers
2
Range: (-π/2, π/2)
3
Odd function
4
Horizontal asymptotes: y = ±π/2
Key Insight
arctan is used in navigation and physics to find angles from coordinates: angle = arctan(y/x).
Visualize Arctan
Interact with the graph, adjust parameters, and see how the function behaves in real time.