Angle calculator【Automatic calculation】

For a right-angled triangle, enter the hypotenuse/adjacent side/opposite side to automatically calculate the angle.

Angle calculator

Calculation instructions

Using the trigonometric function theorem, given an acute angle θ, a right-angled triangle is made. Let the lengths of the hypotenuse, the adjacent side and the opposite side of this triangle be R, X, and Y respectively.

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