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The coordinates of the quadrantal point A on the unit circle are:
AOne and zero
BZero and one
CMinus one and zero
DZero and minus one
Answer & Solution
Correct answer: A. One and zero
1. Point A sits where the positive x-axis meets the circle.
2. It is one unit along and zero up.
3. So its coordinates are one and zero.
_Source: NCERT Class 11 Mathematics, Chapter 3, Trigonometric Functions._
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