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a^2(cos^2B-cos^2C)+b^2(cos^2C-cos^2A)+c^...

`a^2(cos^2B-cos^2C)+b^2(cos^2C-cos^2A)+c^2(cos^2A-cos^2B)=0` .

A

`a^(2)c^(2)-a^(2)b^(2)`

B

`a^(2)b^(2)-b^(2)c^(2)`

C

`b^(2)c^(2)-a^(2)c^(2)`

D

`0`

Text Solution

Verified by Experts

The correct Answer is:
D
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