Math, asked by sreeja3, 1 year ago

Pls solve 10th question

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Answers

Answered by HappiestWriter012
1
A+B=45
APPLYING COTANGENT ON BOTH SIDES

cot(A+B)=cot45
CotAcotB-1/CotA+cotB=1
CotAcotB-1= CotA+cotB
CotAcotB- CotA-cotB=1
adding 1 on both sides

CotAcotB- CotA-cotB+1=2
CotA(CotB-1)-1(cotB -1)=2
(CotA -1)(CotB-1)=2





HappiestWriter012: please mark it as brainliest please
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