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Q:

यदि 0 ≤ θ ≤ 900 and 4cos2θ - $$4{\sqrt { 3} \ }cosθ$$ + 3 = 0, है, तो का मान θ होगा?

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

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