What is the value of sin(45°) + cos(30°) - tan(60°)?
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What is the period of the trigonometric function f(x) = 3cos(2x) + 2sin(3x)?
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What is the value of x that leads to the maximum or minimum point on the graph of the quadratic function f(x) = 3x^2 + 2x - 7 within the domain -10 ≤ x ≤ 10?