EAMCET Engineering 2008 Solved Paper

Section: Mathematics
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Question : 132 of 160
 
Marks: +1, -0
The angle between the lines whose direction cosines are (‌
√3
4
,‌
1
4
,‌
√3
2
)
and (‌
√3
4
,‌
1
4
,‌
−√3
2
)
, is
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