If tan A= tan B, then A+B is

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Solution

if tanA=tanB
then A=B so
So A+B=2A or 2B
and also tan(180+A)=tanA(if you learned this)
So B=180+A
=>A+B=A+180+A=2A+180 or 2B-180(Sub A as B-180,(B-180+B)

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