VectorHard
Question
The angle that the vector 
= + 2î + 3ĵ makes with y-axis is :
= + 2î + 3ĵ makes with y-axis is :Options
A.tan-1 (3/2)
B.tan-1 (2/3)
C.sin-1 (2/3)
D.cos-1 (3/2)
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