1.

The angle made by the vector `vecA=2hati+3hatj` with Y-axis isA. `tan^(-1)(3//2)`B. `tan^(-1)(2//3)`C. `sin^(-1)(2//3)`D. `cos^(-1)(3//2)`

Answer» Correct Answer - B
Angle with y-axis `rArr tantheta=(x-"comp")/(y-comp")=(2)/(3)`
`rArr theta=tan^(-1)((2)/(3))`


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