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27 lip 2024 · The arctan (x) is equal to the inverse tangent function: tan⁻¹ (x). If in a right triangle, the tan of the angle determines the ratio of the perpendicular to the base (tan (x) = perpendicular / base), then arctan will help us find the value of the angle x: x = tan⁻¹ (perpendicular / base).
Arctan Formula. As discussed above, the basic formula for the arctan is given by, arctan (Perpendicular/Base) = θ, where θ is the angle between the hypotenuse and the base of a right-angled triangle. We use this formula for arctan to find the value of angle θ in terms of degrees or radians.
\displaystyle{70.3}° Explanation: Arctan means you know the tan value and you want to know to which angle that tan value applies. On most calculators, arctan is shown with the tan key ...
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