1.

Given vector \[\overrightarrow{A}=2\hat{i}+3\hat{j},\]the angle between \[\overrightarrow{A}\]and y-axis is                                                                       [CPMT 1993]

A.             \[{{\tan }^{-1}}3/2\]
B.                                         \[{{\tan }^{-1}}2/3\]
C.             \[{{\sin }^{-1}}2/3\]            
D.             \[{{\cos }^{-1}}2/3\]
Answer» C.             \[{{\sin }^{-1}}2/3\]            


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