𝟒/(𝟏+𝒕𝒂𝒏𝟐𝛉)+𝟏/(𝟏+𝒄𝒐𝒕𝟐𝜽)+𝟑𝒔𝒊𝒏𝟐𝛉 
का मान ज्ञात कीजिए-

  • 1

    4

  • 2

    -1

  • 3

    2

  • 4

    3

Answer:- 1

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