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Joined 1 year ago
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Cake day: July 4th, 2023

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  • This is kind of a weirdly phrased question.

    Mathematically, THE argument of the sine function is the angle in question. One definition of sine, using the sides of a right triangle, is the ratio of the opposite leg to the hypotenuse of said triangle: sin(theta)=opposite/hypotenuse.

    Edit: it occurred to me that maybe what you’re asking is how to compute the angle, theta, for which sin(theta) = a certain ratio of opposite/hypotenuse. There is an inverse sine function (often called arcsin) that does just that. Arcsin(opp/hyp)=theta. That’s the case where it would make sense to take the side lengths as arguments.