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secure l https://wwm01.bcc.cuny.edu/webwork2/2018-Spring-Fang-MTH31/1-PreCalcu MAA MATHEMATICAL ASSOCIATION OF AMERICA rk webwork / 2018 spring fang mth31/1 precalculus review / 11 Sets euu 1 PreCalculus Review: Problem em 11 Previous Problem Problem List Next Problem (1 point) Evaluate without using a calculator cot-1(-1) = ngs blems 1 V Preview My Answers Submit Answers You have attempted this problem 3 times. Your overall recorded score is 0%. You have unlimited attempts remaining 5 V Email instructor m 10 acer

Explanation / Answer

cot-1(-1)

-cot-1(1)

-cot-1(cot(pi/4)) = -pi/4

Therefore the value of cot-1(-1)= -pi/4

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