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The expression (tan 57^@ + cot37^@)/(tan...

The expression `(tan 57^@ + cot37^@)/(tan 33^@ + cot 53^@)` is equal to

A

`tan 33^@+cot 53^@`

B

`tan 53^@+cot 37^@`

C

`tan 33^@+cot 57^@`

D

`tan 57^@+cot 37^@`

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CHAMPION PUBLICATION-2012 TIER-II PAPER(22)-EXERCISE
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