Math question: In triangle ABC, angle bisector BD intersects side AC at point D. If angle ABD measures 60° and angle BAC measures 120°, what is the measure of angle ABC?
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Find the value of arccos(cos(π/4)) + arctan(tan(7π/3)) + arcsin(sin(-3π/2)).
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Question: "Graph the logarithmic function f(x) = log(base 2)x. Identify the x-intercept, y-intercept, and any asymptotes if they exist. Use a suitable scale and interval up to x = 10.