Question: What is the derivative of f(x) = cos(3x) - 2sin(5x) + tan(2x) - csc(x) + sec(4x) in terms of x?
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What is the resultant vector when a displacement vector of magnitude 25 in the east direction is added to a displacement vector of magnitude 18 in the north-west direction?
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What is the solution to the equation √(3x-4) + 2 = 10?