If TanA=2/5 & tan A =3/7 then prove a+b=Π/4
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Answer:
tan A = 2/5
& tan A =3/7
2/5=3/7
14=15
okay!
now we must start proving
a plus b= Can be anything.
( poorly written query is genuine ground for gaining 5 points is app , where spammers are Genius .)
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