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Questions  

The polar coordinates equivalent to (3,3) are

a
(23,π6)
b
(−23,5π6)
c
(23,7π6)
d
(23,5π6)

detailed solution

Correct option is D

r=x2+y2=9+3=23α=tan−1|y||x|α=tan−1(33)α=tan−1(13)=π6Point (−3,3) lies in the second quadrant. ∴θ=π−α=π-π6=5π6So, polar coordinates are (23,5π6)

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