1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Mathematics
Applications of Dot Product
If a⃗, b⃗, ...
Question
If
→
a
,
→
b
,
→
c
are three unit vectors, each is inclined at an angle
π
3
with other, find [
→
a
,
→
b
,
→
c
].
Open in App
Solution
Given the unit vector are.........a,b,c
|
a
|
=
|
b
|
=
|
c
|
=
1
According to question.......
Angle
π
3
or angle
60
0
with each other,
so,
[
→
a
,
→
b
,
→
c
]
=
a
.
(
b
×
c
)
=
|
a
|
|
b
×
c
|
cos
60
0
=
1
|
b
|
|
c
|
cos
60
0
sin
60
0
∴
=
1
2
.
√
3
2
=
√
3
4
Suggest Corrections
0
Similar questions
Q.
If
→
a
,
→
b
,
→
c
are three unit vectors, each is inclined at an angle
π
3
with the other, then scalar triple product
[
→
a
→
b
→
c
]
equals
Q.
If
→
a
,
→
b
,
→
c
are unit vectors such that
→
a
+
→
b
+
→
c
=
→
0
and
(
→
a
,
→
b
)
=
π
3
, then
∣
∣
→
a
×
→
b
∣
∣
+
∣
∣
→
b
×
→
c
∣
∣
+
|
→
c
×
→
a
|
=
Q.
If
→
a
,
→
b
,
→
c
be three non coplanar unit vectors,
→
c
is inclined at an angle
α
to the plane of
→
a
and
→
b
and
→
a
and
→
c
are inclined at an angle
β
to
→
b
, then
(
→
a
×
→
b
)
×
(
→
b
×
→
c
)
×
(
→
c
×
→
a
)
is
Q.
If
→
a
,
→
b
,
→
c
are unit vectors and the angles between
→
a
,
→
b
and
→
b
,
→
c
and
→
c
,
→
a
are
π
6
,
π
3
and
π
4
respectively, then
|
→
a
+
→
b
+
→
c
|
Q.
If
→
a
,
→
b
,
→
c
are three vectors such that each is inclined at an angle
π
3
with the other two and
|
→
a
|
=
1
,
|
→
b
|
=
2
,
|
→
c
|
=
3
, then the scalar product of the vectors
2
→
a
+
3
→
b
−
5
→
c
and
4
→
a
−
6
→
b
+
10
→
c
is
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Dot Product
MATHEMATICS
Watch in App
Explore more
Applications of Dot Product
Standard XII Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app