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1138

Q:

If 2sin2 θ – 3 sin θ + 1 = 0,   θ being positive angle, then the values of θ are : 

  • 1
    $$ 30^0, 90^0$$
  • 2
    $$ 60^0, 55^0$$
  • 3
    $$ 60^0, 45^0$$
  • 4
    $$ 45^0, 55^0$$
  • Show Answer
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Answer : 1. "$$ 30^0, 90^0$$"

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