What is the range of the function f(x) = 3sin(2x) in degrees?
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What is the average of the following set of numbers: 10, 15, 20, 25, 30?
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Math question: In triangle ABC, angle bisector AD intersects side BC at point D. If angle BAC measures 60 degrees, and angle BAD measures 30 degrees, find the measure of angle ACD.