Q35 of 138 Page 24

If and are two vectors of the same magnitude inclined at an angle of 30o such that find

Let

The angle between these vectors is 30°


So, applying the formula,





So, the magnitude of


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Find the angle between two vectors and if

(i) and


(ii) and

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Express the vector as the sum of two vectors such that one is parallel to the vector and other is perpendicular to

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Express as the sum of a vector parallel and a vector perpendicular to

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Decompose the vector into vectors which are parallel and perpendicular to the vector