What is the equation of an ellipse with a major axis of length 8 units and a minor axis of length 6 units?
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Find the derivative of f(x) = sin(2x)cos(3x) - tan^2(x) + sec(x) - csc(2x) + cot(3x).
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What is the equation of an ellipse with a major axis parallel to the x-axis, center at (h, k), semi-major axis of length a, and semi-minor axis of length b? (