I know that Tan(0) = 0 Tan(pi/4) = 1 tan(pi/2) = undefined Cot(0) = 1/0 = undefined Cot(pi/4) = 1/1 = 1 Cot(pi/2) = This is the one I am stuck at. Since it equals 1/undefined. What happens?
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Oh I see how it works.
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