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25 January, 15:55

Solve or exact value 1+2sinx=0

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  1. 25 January, 16:34
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    X=210 is the for these
  2. 25 January, 18:44
    0
    2sinx = - 1

    Divide both sides by 2.

    sinx = - (1/2)

    In the unit circle, we are given two answers for sinx = - (1/2).

    x = 210 degrees AND 330 degrees
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