Q.

A¯ and B¯ are two vectors of equal magnitude and 'θ ' is the angle between them. The angle between A¯ or B¯ with their resultant is   (E - 2010)

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a

θ4

b

θ2

c

2θ

d

θ

answer is B.

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Detailed Solution

Tanα=AsinθA+Acosθ=sinθ1+cosθ
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A¯ and B¯ are two vectors of equal magnitude and 'θ ' is the angle between them. The angle between A¯ or B¯ with their resultant is   (E - 2010)