What is the limit of (cos(x))^2 - 2 as x approaches π/6?
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Write the equation of the logarithmic function whose graph passes through the points (1, 3) and (10, 5). (
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Math question: In triangle ABC, if angle A is 70 degrees and the circle with center at A intersects AB and AC at points P and Q, respectively, calculate the measure of angle APQ.