When a body is placed on a rough plane inclined at an angle $\theta $ to the horizontal, its acceleration is
$g(\sin \theta - \cos \theta )$
$g(\sin \theta + \mu \cos \theta )$
$g(\mu \sin \theta - \cos \theta )$
$g\mu (\sin \theta - \cos \theta )$
When a body is placed on a rough plane inclined at an angle $\theta $ to the horizontal, its acceleration is
$F_{\min }=M g \sin \theta+\mu m g \cos \theta=m g(\sin \theta+\mu \cos \theta)$
Therefore acceleration is given by
$A=g(\sin \theta+\mu \cos \theta)$
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