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If is the angle between plane bar(r).bar...

If is the angle between plane `bar(r).bar(n)=p` and the line `bar(r).bar(a)=lamdabar(b)`

A

`"cos "theta=(bar(b).bar(n))/(|bar(b)||bar(n)|)`

B

`"cos "theta=(bar(a).bar(n))/(|bar(a)||bar(n)|)`

C

`"sin "theta=(bar(a).bar(n))/(|bar(a)||bar(n)|)`

D

`"sin "theta=(bar(b).bar(n))/(|bar(b)||bar(n)|)`

Text Solution

Verified by Experts

The correct Answer is:
D
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