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13 February, 22:09

Solve 2-3cos x=5+3cox x for 0 degree < = x < = 180 degree

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  1. 14 February, 01:42
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    You have the following expression given in the problem above: 2-3co x=5+3cosx. To solve it, you must apply the proccedure shown below:

    You have:

    2-3cosx=5+3cosx

    Solve for cosx:

    -3cosx-3cosx=5-2

    -6cosx=3

    cosx=3/-6

    cosx=-1/2

    x=120°

    The answer is: 120°
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