Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Let 
and if 
and 
. Then, 
Text Solution
Verified by ExpertsThe correct answer is:
0
(0)
We observe that 
is the ray originating from origin making angle 
with 
. So, 
is an infinite set of points lying on this ray. The set 
is the set of all points on the ray originating from 
making angle 
with 
-axis as shown in Fig. The initial points of these two rays are not included in the two sets.
Hence 
and so 
.
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