1.

If OP = 8 and \[\overrightarrow{OP}\] makes angles \[{{45}^{o}}\] and \[{{60}^{o}}\] with OX-axis and OY-axis respectively, then \[\overrightarrow{OP}=\]

A. \[8\,(\sqrt{2}\mathbf{i}+\mathbf{j}\pm \mathbf{k})\]    
B. \[4\,(\sqrt{2}\mathbf{i}+\mathbf{j}\pm \mathbf{k})\]
C. \[\frac{1}{4}(\sqrt{2}\mathbf{i}+\mathbf{j}\pm \mathbf{k})\]    
D. \[\frac{1}{8}(\sqrt{2}\mathbf{i}+\mathbf{j}\pm \mathbf{k})\]
Answer» C. \[\frac{1}{4}(\sqrt{2}\mathbf{i}+\mathbf{j}\pm \mathbf{k})\]    


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