यदि 2sin2θ- 5sinθcose θ + 7cos2 θ= 1, tanθ के संभावित मान है-
If 2sin2θ- 5sinθcose θ + 7cos2 θ= 1, tanθ possible values of tanθ are-

  • 1

    2,3

  • 2

    1,3 

  • 3
  • 4

    3,4

Answer:- 1

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