If veca=hati+hatj-hatk,vecb=2hati+3hatj+...

If `veca=hati+hatj-hatk,vecb=2hati+3hatj+hatk` and `theta` is the angle between them, then `tantheta`=

A

`(sqrt38)/(4)`

B

`(sqrt26)/(4)`

C

`(sqrt26)/(5)`

D

`(sqrt26)/(6)`

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