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TN XII Math
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Objective type Questions and Answers
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Q)
The projection of
→
O
P
on a unit vector
→
O
Q
equals thrice the area of parallelogram
O
P
R
Q
. Then
∠
P
O
Q
is
(
1
)
tan
−
1
1
3
(
2
)
cos
−
1
(
3
10
)
(
3
)
sin
−
1
(
3
√
10
)
(
4
)
sin
−
1
1
3
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