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For what values of x does the graph of f(x) = x − 2 sin xhave a horizontal tangent? (Use n as your integer variable. Enter your answers as a comma-separated list.)

Respuesta :

syed514
f'(x)=1-2cosx
Thus to have a horizontal tangent, 1-2cosx=0x=1/3 (-π+6 n π)x=1/3 (+π+6 n π)where n is an integer

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