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OpenStudy (anonymous):
tan2k=tank what is k?
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OpenStudy (anonymous):
k=0
OpenStudy (anonymous):
npi is better ?
OpenStudy (anonymous):
yep
OpenStudy (anonymous):
@DHASHNI I wanna see ur solution,pls. (:
OpenStudy (anonymous):
tan(2x) - tan x = 0 2tan x / (1 - tan^2(x)) - tan x = 0 tan x [ 2 / (1 - tan^2(x)) - 1 ] = 0 tan x [ 2 - 1 + tan^2(x) ] = 0 tan x (1 + tan^2(x)) = 0 tan x = 0 x = 0, π
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