SOLUTION: Find the first three x-intercepts of the graph of the given function on the positive x-axis.
f(x)=2−4cos(x + π/3)
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Question 737295: Find the first three x-intercepts of the graph of the given function on the positive x-axis.
f(x)=2−4cos(x + π/3)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the first three x-intercepts of the graph of the given function on the positive x-axis.
f(x)=2−4cos(x + π/3)
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Solve:
2 -4cos(x+(pi/3)) = 0
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cos(x+(pi/3)) = 1/2
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x + (pi/3) = pi/3 or (pi/3)+pi or (pi/3)+2pi
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x = 0 or pi or 4pi
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Cheers,
Stan H.
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