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OpenStudy (anonymous):
Find the value of x in the interval (-π, 0) where the graph of the function fx = x+2sinx has a horizontal tangent line.
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OpenStudy (dumbcow):
set f'(x) = 0 and solve for x
OpenStudy (anonymous):
x=2pi/3
OpenStudy (dumbcow):
i was wrong too ...haha x = -2pi/3
OpenStudy (anonymous):
its cool lol
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