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What is the exact value of cot(4pi/3)?
Do not use a calculator.

  • Trig - ,

    4pi/3 is in quadrant III
    the tangent of a 3rd quadrant angle is positive so
    = 1/tan(4pi/3) , the angle in standard position is pi/3
    = 1/tanpi/3
    = 1/√3

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