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The diection cosines of two lines are pr...

The diection cosines of two lines are proportional to `(2,3,-6) and (3,-4,5),` then the acute angle between them is (A) `cos^-1{49/36}` (B) `cos^-1 {(18sqrt(2))/35}` (C) `96^0` (D) `cos^-1(18/35)`

A

`cos^(-1)((49)/(36))`

B

`cos^(-1)((18sqrt(2))/(35))`

C

`96^(@)`

D

`cos^(-1)((18)/(35))`

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