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The cosine of the angle between the plan...

The cosine of the angle between the planes `barr_(1).barn_(1)=q_(1)` and `barr_(2).barn_(2)=q_(2)` is

A

`(q_(1).q_(2))/(|barn_(1)||barn_(2)|)`

B

`(barn_(1).barn_(2))/(|barn_(1)||barn_(2)|)`

C

`(barn_(1).barn_(2))/|barn_(1).barn_(2)|`

D

`(q_(1).q_(2))/(|barn_(1).barn_(2)|)`

Text Solution

Verified by Experts

The correct Answer is:
B
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