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Q:

यदि 2sin2θ–5sinθcosθ+7cos2θ=1 है तो tanθ का सम्भावित मान है।

  • 1
    2, 5
  • 2
    1, 3
  • 3
    2, $$ {5\over2}$$
  • 4
    2, 3
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Answer : 4. "2, 3"

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