Find the period of the trigonometric function f(x) = 3sin(4x) + 2cos(5x).
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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? (
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Math question: In circle O, if angle AOB measures 60 degrees, what is the measure of arc AB?