What is the derivative of ∫(x^3sin(x^2))dx from 0 to π/2?
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What is the length of the side opposite a 45° angle in a right-angled triangle if the hypotenuse is 8 units?
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What is the resultant displacement when adding a vector of magnitude 5 in the direction of 30 degrees with a vector of magnitude 8 in the opposite direction of 120 degrees?