document.write( "Question 921835: Find the exact solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list.)
\n" ); document.write( "sin 2x + sin x = 0 \n" ); document.write( "
Algebra.Com's Answer #559244 by lwsshak3(11628)\"\" \"About 
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Find the exact solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list.)
\n" ); document.write( "sin 2x + sin x = 0
\n" ); document.write( "2sinxcosx+sinx=0
\n" ); document.write( "sinx(2cosx+1)=0
\n" ); document.write( "sinx=0
\n" ); document.write( "x=0,π
\n" ); document.write( "or
\n" ); document.write( "2cosx+1=0
\n" ); document.write( "cosx=-1/2
\n" ); document.write( "x=2π/3,4π/3
\n" ); document.write( "exact solutions: 0, π, 2π/3, 4π/3 \n" ); document.write( "
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