The angle between the lines x cos 30^(@)...

The angle between the lines `x cos 30^(@) + y sin 30^(@) =3` and `x cos 60^(@) + y sin 60^(@) =5` is ............... A) `90^(@)` B) `30^(@)` C) `60^(@)` D) `45^(@)`

A

`90^(@)`

B

`30^(@)`

C

`60^(@)`

D

`45^(@)`

Verified by Experts

The correct Answer is:

B

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