Angle Between Vectors Parallelogram (Jee Mains) | ExamDuo
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Scalar and Vector Products
Medium
Angle Between Vectors Parallelogram
Let
→
a
and
→
b
be the vectors along the diagonals of a parallelogram having area
2
√
2
. Let the angle between
→
a
and
→
b
be acute,
|
→
a
|
=
1
, and
|
→
a
⋅
→
b
|
=
|
→
a
×
→
b
|
. If
→
c
=
2
√
2
(
→
a
×
→
b
)
−
2
→
b
, then an angle between
→
b
and
→
c
is
Ask about this question
SELECT ONE OPTION
A
π
4
B
−
π
4
C
5
π
6
D
3
π
4
Check