What is the period of the trigonometric function f(x) = cos(3x) + tan(2x)?
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Math question: Evaluate the limit as x approaches 3 of (x^2 - 9) / (x - 3) + (3x + 6) / (x + 2).
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What is the measure of an angle formed by the intersection of two lines given the angle formulas, and Find the value of the angle using the appropriate formula.