निम्नलिखित को हल करें।
(cos2𝛉-1)(cot2𝛉+1)+1=?
(Lower-II 30.09.2019 Shift-IInd)

  • 1

    -1

  • 2

    0

  • 3

    1

  • 4

    2

Answer:- 2

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