Vector Algebra Part 1
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Question : 25 of 100
Marks:
+1,
-0
Let a , b , c ∈ R be such that a 2 + b 2 + c 2 = 1 .
Ifa cos θ = b cos ( θ +
) = c cos ( θ +
) where θ =
, then the angle between the vectors a
+ b
+ c
and b
+ c
+ a
is :
If
[3 Sep 2020 Shift 2]
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