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Q:

यदि $${cos^2θ\over cot^2θ-cos^2θ}=3,$$ जहां $${0^0<θ<90^0}$$ तो θ का मान है:

  • 1
    $${{45^0}}$$
  • 2
    $${{50^0}}$$
  • 3
    $${{60^0}}$$
  • 4
    $${{50^0}}$$
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Answer : 3. "$${{60^0}}$$"

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