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Calculate sin−1

x= opposite_side/hypotenuse




sin−1(x)

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Inverse Sine sin−1() is used to find the angle for a given ratio of the length of the opposite side to the length of the hypotenuse, in a right angled triangle.

Formula

To find the Inverse Sine of a given ratio: opposite_side/hypotenuse , use the following formula.

θ = sin−1(Length_of_Opposite_side / Length_of_Hypotenuse)