A particle starting from the origin (0,0) moves in a straight line in the (X, y) plane. It's coordinates at a later time area (3,root3).The path of the particle makes with the X axis an angle of
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6
tan( theta)=
=1/root 3
theta= 30 degree...
=1/root 3
theta= 30 degree...
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10
it's answer is 60 degree
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