Math Question: What is the sine value of an angle whose terminal side intersects the unit circle at the point (0, -1)?
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In triangle ABC, if the measure of angle A is equal to the measure of angle C, and the lengths of sides AB and BC are equal, what can be concluded about triangle ABC?
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What is the maximum value that the function f(x)=3x^2-2x+5 achieves on the interval [0,2]?