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251

Q:

यदि p = cosec θ – cot θ and q = (cosec θ + cot θ)-1 तो निम्नलिखित में से कौन सा सही है?

  • 1
    p - q = 1
  • 2
    p = q
  • 3
    p + q = 1
  • 4
    p + q = 0
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Answer : 2. "p = q "

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