chase
  • chase
(1+tan)(tan2x)=2tanx/1-tanx
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
is it : 1+tan(x)?
anonymous
  • anonymous
after simplifying you'll have 1=1... what do you need to do...?
chase
  • chase
both sides have to be equal to each other

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chase
  • chase
how did you simplify it to 1=1?
anonymous
  • anonymous
tan2x=2tanx/(1-tanx^2) - double-angle formula so, (1+tanx)*2*tanx/(1-tanx^2) = 2tanx/(1-tanx) simplify - 2tans=canceled out on both sides (1+tanx)/[(1-tanx)*(1+tanx)]= 1/(1-tanx) everything canceling out.... so, in general left side of your original eq = right side unless, I mis-read your original problem, it should be right...

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