find the value of (1 +CotACotB)^2 + (CotA-CotB)
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Answer:
LHS=cot (A+B)
=1/tan (A+B)
=1/(tanA +tanB/1-tanA tanB)
=1-tanA tanB/tan A+tanB
÷tanA tanB :
=cotA cotB-1/cotA +cot B
=RHS
Step-by-step explanation:
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