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Solve tanx + tan2x + tan3x …

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Solve tanx + tan2x + tan3x = 0
  • 2 answers

Afsana Khatoon 8 years ago

We know that x+2x=3x. Therefore,tan 3x =tan( 2x+x) Appling formula tan( x+y) we get answer

Afsana Khatoon 8 years ago

We know that x+.2 x. =3x Therefore,tan(2x+3x)=3x Appling. On formula tan (x+y) we get answer..
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