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JenMarie
JenMarie JenMarie
  • 17-08-2016
  • Mathematics
Answered

cotx(tanx-1)=0


solve over [0, 2pie)

Verified Answer :

Anonymous Anonymous
  • 17-08-2016

\(cot x (tan x - 1) = 0\) 


\(cot x tan x - cot x = 0\) 

\(= cot x = 1/tan x = cot x tan x = 1\) 

\(1 - cot x = 0\) 

\(1 = cot x\)

\(x = arccot 1\)

= [0,2π) 

x = π/4 and x=5π/4

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