Math question: "Given a right triangle with a hypotenuse of 10 and an angle of 30 degrees, find the length of the side opposite to the angle."
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What is the equation of a hyperbola with center (2, -3), vertical axis, foci at (2, -5) and (2, -1), and asymptotes with equations y = -3 + 2x and y = -3 - 2x?
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Math question: Find the value of cosh(x) - sinh(x) when x = π/3.