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If in a !ABC , (sinA+sinB+sinC)(sinA+s...

If in a `!ABC` ,
(sinA+sinB+sinC)(sinA+sinB-sinC)=3sinAsinB` then

A

`A=60^(@)`

B

`B=60^(@)`

C

`C=60^(@)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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