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Let A and B denote the statements A:co...

Let A and B denote the statements
`A:cos alpha+ cos beta+cos gamma=0`
`B:sin alpha+sin beta+singamma=0`
If `cos(beta-gamma)+cos(gamma-alpha)+cos(alpha-beta)=-(3)/(2)`, then

A

`A` is flase and `B` is true

B

both `A` and `B` are true

C

both `A` and `B` are false

D

`A` is true and `B` is false

Text Solution

Verified by Experts

The correct Answer is:
B
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