Find the maximum value of the function f(x) = 2cos(3x) + sin(4x) in the interval [0, Ο/2].
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Question: "Graph the exponential function y = 2^x over the domain -5 β€ x β€ 5. On the graph, identify the y-intercept and the coordinates of any two points on the graph.
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What is the value of sin(30Β°) + cos(45Β°) - tan(60Β°) + cot(120Β°)?