BITSAT 2012 Paper

Section: Mathematics

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Question : 99 of 150

Marks: +1, -0

tan−1(

1

4

)+tan−1(

2

9

) equal to –

1
2
cos−1(
3
5
)
1
2
sin−1(
3
5
)
1
2
tan−1(
3
5
)
tan−1(
1
2
)

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