Math, asked by dalalaastha4, 4 months ago

for ∆ ABC prove they cot (b+c/2) tan A/2

Answers

Answered by sandhyanullari

0

Answer:

cot(A2)+cot(B2)+cot(C2)=cot(A2)×cot(B2)×cot(C2). I tried all identities I know but I have no idea how to proceed.

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