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01-09-2017
Mathematics

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Evaluate cot675°. i will give brainlist

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Аноним Аноним

01-09-2017

Once you evaluate cot675^o you will have -1

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Аноним Аноним

01-09-2017

cot 675 = cot (675 - 360) = cot 315 degrees

this angle is in the 4th quadrant where tan and cot are negative

cot 315 = 1 / tan 315 = - 1/ tan 45 = = -1

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