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lnDeltaA B C , b^2cos2A-a^2cos2B=...

`lnDeltaA B C , b^2cos2A-a^2cos2B=`

A

`0`

B

`a^(2)+b^(2)`

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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