What is the value of sinh(arcsinh(3)) - cosh(arcosh(5)) + tanh(artanh(0.6))?
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What is the equation of an ellipse if its major axis is parallel to the y-axis, centered at (h, k), and has a horizontal radius of a and a vertical radius of b?
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What is the distance, d, between two parallel lines with equation Ax + By + C1 = 0 and Ax + By + C2 = 0?