Find the value of sinh(arccosh((sinh^2(pi/4) + cosh^2(pi/3))/tanh(2.5))), where sinh is the hyperbolic sine function, and arccosh is the inverse hyperbolic cosine function.
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Question: Differentiate y = cos(4x) - 3sin(2x) + tan(5x) with respect to x.
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What is the equation of a hyperbola with a horizontal transverse axis, center (-2,3), eccentricity 2.5, and a vertex at (-4,3)?