document.write( "Question 801922: 2 sin 2x cos x + 3 sin x=0 Find all solutions in interval (0,2pi)\r
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Algebra.Com's Answer #483750 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! 2sin^2x cos x + 3 sin x=0 Find all solutions in interval (0,2pi) \n" ); document.write( "*** \n" ); document.write( "2sin^2xcosx+3sinx=0 \n" ); document.write( "sinx(2sinxcosx+3)=0 \n" ); document.write( ".. \n" ); document.write( "sinx=0 \n" ); document.write( "x=π \n" ); document.write( "note: 0 not in domain of specified interval(0,2pi) \n" ); document.write( ".. \n" ); document.write( "2sinxcosx+3=0 \n" ); document.write( "sin2x=-3 (reject, -1 < sin2x < 0) \n" ); document.write( " |