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Question: The angle between \(\widehat{i} + \widehat{j}\) and \(\widehat{j} + \widehat{k}\) is –...

The angle between i^+j^\widehat{i} + \widehat{j} and j^+k^\widehat{j} + \widehat{k} is –

A

(a)000^{0}

A

(b)90090^{0}

A

(c)45045^{0}

A

(d)60060^{0}

Explanation

Solution

(d)

q = cos–1(A→.B→AB)\left( \frac{\overset{\rightarrow}{A}.\overset{\rightarrow}{B}}{AB} \right)