Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is

Options

(a) i B cosθ + i B sinθ
(b) i B sinθ + j B cosθ
(c) i B sinθ – j B cosθ
(d) i B cosθ – i B sinθ

Correct Answer:

i B sinθ – j B cosθ

Explanation:

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