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Mathematics

Arctan Calculator

Inverse tangent - find angle from tan value

Arctan (tan⁻¹) Calculator

Value (must be in [−1, 1] for sin/cos)

Arctan (inverse tangent, tan⁻¹) returns the angle whose tangent equals the input. Unlike arcsin and arccos, the domain is all real numbers (−∞, +∞).

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