In a triangle \( A B C \), if \( \cos \frac{A}{2}=\sqrt{\frac{b+c}{2 c}} \), then.... VIDEO
In a triangle \( A B C \), if \( \cos \frac{A}{2}=\sqrt{\frac{b+c}{2 c}} \), thenhttps://bit.ly/YTAI_PWAP https://www.pw.live
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