What is the derivative of f(x) = sin(2x)cos(3x) + tan(x) with respect to x?
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What is the length of the side opposite angle A in a triangle, given that angle A = 45°, side B = 5, and side C = 7?
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Math question: What is the measure of an angle formed by a straight line intersecting another straight line, given the measure of the adjacent angle is 60 degrees?