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15 October, 06:39

What is the exact value for Tan (120) degrees?

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  1. 15 October, 06:45
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    On a unit circle, 120 is in the second quadrant. the terminal line form a 60 degree angle with the negative part of the x axis, the x value is - 1/2, and the y value is √3/2

    tan120 = (√3/2) / (-1/2) = - √3
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