Question
Find the principal solution of tan2x+(√3−1)tan x−√3=0
Answer: Option A
:
A and D
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A and D
tan2x+(√3−1)tan x−√3=0tan2x−tan x+√3tan x−√3=0tan x(tan x−1)+√3(tan x−1)=0(tan x+√3)(tan x−1)=0tan x=−√3 or tan x=1x=−π3 or x=π4
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