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evaluate cot^−1(−1/2)=
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-1.1071
-0.546302
iwan how did you arrive at your answer
neither answer worked...
cot^-1 (-1/2) -> 1/{cot(-1/2)} -> 1/-1.83049 -> -0.546302
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-1.107148717794090503017065460178537040070047645401432646676 radians -63.43° this is the same as: \[-\tan^{-1}(2)\] which has the same resultants.
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