(b2-c2)/cos b+cos c+(c2-a2)/cos c+cos a+(a2-b2)/cos a+cos b=0
(b2-c2)/cos b+cos c+(c2-a2)/cos c+cos a+(a2-b2)/cos a+cos b=0
Nk kumar , 6 Years ago
Grade 11
Trigonometry> (b 2 -c 2 )/cos b+cos c+(c 2 -a 2 )/cos c...
1 Answers
Deepak Kumar Shringi
Last Activity: 6 Years ago
use cosine theroem replace all cos in form of sides a,b,c and you will get the answer
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