Unit Vectors Angle Relation (Jee Mains) | ExamDuo
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Scalars and Vectors
Medium
Unit Vectors Angle Relation
Which of the following relations is true for two unit vector
^
A
and
^
B
making an angle
θ
to each other?
SELECT ONE OPTION
A
|
∧
A
+
∧
B
|
=
|
∧
A
−
∧
B
|
tan
θ
2
B
|
∧
A
−
∧
B
|
=
|
∧
A
+
∧
B
|
tan
θ
2
C
|
∧
A
+
∧
B
|
=
|
∧
A
−
∧
B
|
cos
θ
2
D
|
∧
A
−
∧
B
|
=
|
∧
A
+
∧
B
|
cos
θ
2
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