anonymous
  • anonymous
tan(arctanx + arctan 1/4)=7/11, find x
Mathematics
katieb
  • katieb
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anonymous
  • anonymous
You should get the inverse of it
anonymous
  • anonymous
trololololol
anonymous
  • anonymous
hahahaha!

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anonymous
  • anonymous
i already did that and i just want to make sure that my answer is correct :))
anonymous
  • anonymous
nakita nga lang kita eh
anonymous
  • anonymous
ang susungit naman ng mga tao dito
anonymous
  • anonymous
kala mo lang un.. may mabait dito :))
anonymous
  • anonymous
just use tan double angle formula.....
hartnn
  • hartnn
arctanA + arctan B = arctan((A+B)/(1-AB))
anonymous
  • anonymous
wait.. i'm confused @_@
anonymous
  • anonymous
i'm confused too
anonymous
  • anonymous
mee too
hartnn
  • hartnn
arctanx + arctan 1/4 = arctan((x+1/4)/(1-x/4)) tan(arctanx + arctan 1/4) = (x+1/4)/(1-x/4) =7/11
hartnn
  • hartnn
now can u find x ? (x+1/4)/(1-x/4) =7/11

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