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In a DeltaABC, a(cos^(2)B+cos^(2)C)+co...

In a `DeltaABC`,
`a(cos^(2)B+cos^(2)C)+cosA(ccosC+bcosB)=`

A

`a+b+c`

B

`c`

C

`b`

D

`a`

Text Solution

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The correct Answer is:
D
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