Questions
Given that A + B = C and that C is perpendicular to A. Further, if |A| = |C|, then what is the angle between A and B?
a
π4
b
π2
c
3π4
d
π
detailed solution
Correct option is C
From the figure, B cos θ = C …(i)and B sin θ = A …(ii) Given, IAI = I CI∴IB cos θ| = IB sin θ| or θ = 450Hence, angle between A and B is 1350 or 3π4Talk to our academic expert!
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