Math question: What is the measure of the angle subtended by a diameter at any point on the circumference?
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Find the equation of a hyperbola with foci at (-3,0) and (3,0), and the distance between any point on the hyperbola and its corresponding directrix is 5.
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What is the value of sin(30°) + cos(60°) - tan(45°) + cot(90°) in the trigonometric table?