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A crate weighing w pounds sits on a ramp positioned at an angle of x with the horizontal. The forces acting on this crate are modeled by the equation Mwcosx = wsinx, where M is the coefficient of friction. What is an expression for M in terms of x?

A. M = tanx
B. M = cotx
C. M = secx
D. M = cscx

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M = sin x/cos c = tan x

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