SOLUTION: Without graphing, find the exact coordinates of the first maximum point to the right of the y-axis for {{{y=4 sin(2/3 x-pi/9)}}}

Question 795302: Without graphing, find the exact coordinates of the first maximum point to the right of the y-axis for
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Without graphing, find the exact coordinates of the first maximum point to the right of the y-axis for y=4 sin(2/3 x-pi/9)
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Solve (2/3)x-(pi/9) = pi/2
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(2/3)x = (pi/2)+(pi/9)
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(2/3)x = (9pi + 2pi)/18 = (11/18)pi
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x = (3/2)(11/18)pi
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x = (11/12)pi
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Cheers,
Stan H.
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