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Mathematics 9 Online
OpenStudy (anonymous):

7 tan3x - 21 tan x = 0

OpenStudy (anonymous):

pi divided by three, two pi divided by three, four pi divided by three, five pi divided by three pi divided by five, π, six pi divided by five pi divided by three, two pi divided by three, π, four pi divided by three, five pi divided by three pi divided by three, π, four pi divided by three

OpenStudy (anonymous):

those are the answer choices

OpenStudy (anonymous):

is it tan3x ?

OpenStudy (anonymous):

use identity for tan 3x

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