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12 February, 01:09

The angle 0 lies in Quadrant IV

sin 0 = - 2/3

What is cos 0?

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Answers (1)
  1. 12 February, 01:37
    0
    (square root of 5) / 3

    Step-by-step explanation:

    use pythagorean theorem to find out what th third side is and then do that last side over hypotenuse which is 3 to get (square root of 5) / 3.
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