Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let a vector 
be obtained by rotating the vector 
by an angle 
about the origin incounterclockwise direction in the first quadrant. Then the area of triangle having vertices 
and 
is equal to
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
a JEE Main 2021
Area of 
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