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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
>>
2001
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Q)
sec
2
(
tan
−
1
2
)
+
c
o
s
e
c
2
(
cot
−
1
3
)
is equal to :
( A ) 15
( B ) 20
( C ) 3
( D ) 10
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