Math question: In triangle ABC, angle A is divided into two congruent angles by the angle bisector AD. If angle A measures 60°, what is the measure of angle BAD?
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What is the radian measure of a central angle subtended by an arc of length 5 units in a circle with radius 2 units?
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Question: What is the derivative of the function f(x) = ∫[a to x] t^3 dt using the Fundamental Theorem of Calculus?