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1. cotϴ ফাংশনের ডোমেন কত ?

  • A. R-{(2n+1)π/2, n ϵ Z }
  • B. R-{(2n+1)π/2, n ϵ Z }
  • C. R-{(2n+1)π/2, n ϵ Z }
  • D. R-{(2n+1)π/2, n ϵ Z }

Answer: Option A

Explanation:

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