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The unit circle used to define the functions is centred at the:
AThe unit point
BThe origin
CPoint one zero
DPoint zero one
Answer & Solution
Correct answer: B. The origin
1. The circle is placed on the coordinate axes.
2. Its centre sits where the axes cross.
3. That is the origin.
_Source: NCERT Class 11 Mathematics, Chapter 3, Trigonometric Functions._
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