celiabarajas42 celiabarajas42
  • 31-03-2017
  • Mathematics
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Tanx-cotx=0 solve in radians

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Joplinice
Joplinice Joplinice
  • 31-03-2017
 tan x + 1 / tan x = 2 

tan^2 x + 1 = 2 tan x 

tan^2 x - 2 tan x + 1 = 0 

( tan x - 1 )^2 = 0 

tan x = 1 

x = π/4 , 5π/4
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