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since x is negative you use the identity cot-1(x)=tan-1(1/x)+pi. Tan-1(1/-sqrt3) + pi 5pi/6 + pi =pi

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โˆ™ 2012-05-02 23:42:15
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Q: How do you evaluate the following expression arccot of the negative square root of three without using a calculator?
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Evaluate each expression | 9?

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