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eroshea
 3 years ago
arctan(2x)+tan(x)=pi/4, what is x?
eroshea
 3 years ago
arctan(2x)+tan(x)=pi/4, what is x?

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hartnn
 3 years ago
Best ResponseYou've already chosen the best response.0arctan(2x)+tan(x)=pi/4 ?? or arctan(2x)+arctan(x)=pi/4

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.0if it is latter, then use arctanA+arctanB = arctan((A+B)/(1AB)) then take tan on both sides. tan pi/4=1

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.0u get 3x=12x^2 solve this quadatic

eroshea
 3 years ago
Best ResponseYou've already chosen the best response.0thanks!! i had solve it now :)) could you answer the other question i had closed?? the one with the round holes?
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