document.write( "Question 663322: Find all solutions in the interval [0, 2pi].
\n" ); document.write( "3 tan x^3= tan x \n" ); document.write( "

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Find all solutions in the interval [0, 2pi].
\n" ); document.write( "3 tan x^3= tan x
\n" ); document.write( "3 tan^2x=1
\n" ); document.write( "tan^2x=1/3
\n" ); document.write( "tanx=1/√3
\n" ); document.write( "x=π/3 and 4π/3 (in quadrants I and III where tan>0) \n" ); document.write( "

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