If tanA =m /m-1 and tanB =1 /2m-1 then prove that A-B =45 °
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We know that....
tan(A-B)=
Putting the values of tanA and tanB in
=>tan(A-B)=
=>tan(A-B)=
=>tan(A-B)=
=>tan(A-B)=
=>tan(A-B)=
=>tan(A-B)=
=>tan45°=1
Therfore A-B=45
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