Math, asked by atharvpol00gmailcom, 6 months ago

in ∆ABC prove that cos((a-b)/(2))=((a+b)/(c))sin(c)/(2)​

Answers

Answered by razaulhoke2018
0

Step-by-step explanation:

ফফফজ্ঞ্য্য্যহুইইইইইউউউইইওইইউউউউ

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