यदि (sin A+ cosA)/(sin A - cos A) =5/4 है, तो (tan2A+1)/(tan2A-1) = ?

  • 1

    41/40

  • 2

    12/13

  • 3

    40/41

  • 4

    इनमें से कोई नहीं

Answer:- 4

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