Let 
be three vertices of an equilateral triangle circumscribing the circle 
. If 
and 
were in anticlockwise sense, then 
is
Text Solution
Verified by ExpertsD
We are given that 
form an equilateral triangle circumscribing the circle 
, with 
and vertices in anticlockwise order.
Step 1: Use rotation property
For an equilateral triangle around a circle, moving anticlockwise from one vertex to the next corresponds to a 
rotation about the origin:
Step 2: Express 
Step 3: Multiply
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