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Q:

The value of $$ {(cos {\ 9°}+sin{\ 81°}})({sec {\ {9°}+cosec{\ 81°}}})\over{sin{\ 56°}sec{\ 34° }}+ {cos{\ 25°}cosec{\ 65°}}$$ is:

  • 1
    $$ {1\over 4}$$
  • 2
    4
  • 3
    2
  • 4
    $$ {1\over 2}$$
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Answer : 3. "2"

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