in a traingle ABC if a,b,c Are in ap then prove that CosA/2,CosB/2,CosC/2 are in ap
Somesh fengde , 6 Years ago
Grade 12
Trigonometry> in a traingle ABC if a,b,c Are in ap then...
1 Answers
Deepak Kumar Shringi
Last Activity: 6 Years ago
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