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Q:

If $$ cosecθ + cotθ =p $$, then the value of  $${p^2-1}\over{p^2+1}$$ is:

  • 1
    cos θ
  • 2
    cot θ
  • 3
    cosec θ
  • 4
    sin θ
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Answer : 1. "cos θ"

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