The ratio of the ranges on the inclined plane with motion upward and – McqOptions

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1.	The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be
A.	sin (α + β)/sin (α - β)
B.	sin (α - β)/sin (α + β)
C.	cos (α - β)/cos (α + β)
D.	tan (α - β)/tan (α + β)
Answer» C. cos (α - β)/cos (α + β)

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