Math, asked by kiran070, 5 hours ago

Please any one solve this for me.
best answer will be marked as brainlizst...

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Answers

Answered by himanshijangid

1

Answer:

Given A+B=135

∘

⟹cot(A+B)=cot135

∘

⟹

cotA+cotB

cotAcotB−1

=−1

⟹cotA+cotB+cotAcotB=+1

⟹cotA+cotB+cotAcotB+1=2

⟹cotA(1+cotB)+(1+cotB)=2

⟹(1+cotA)(1+cotB)=2

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