A.  nπ or (3n ±1)π/9: n ε Z

B.  nπ/3 + (-1)nπ/6: n ε Z

C.  2nπ/3 ± π/9: n ε Z

D.  nπ/3 + π/18: n ε Z

1
Correct Answer :
2nπ/3 ± π/9: n ε Z
Explanation :
No Explanation available for this question

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