onlyrept
onlyrept onlyrept
  • 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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