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Q:

$$(1+tan θ+secθ)(1+cotθ-cosecθ)\over (sec θ+tan θ)(1-sin θ) $$ बराबर है:

  • 1
    2sec θ
  • 2
    2cosec θ
  • 3
    cosec θ
  • 4
    sec θ
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Answer : 1. "2sec θ"

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