document.write( "Question 861726: Find all values of t in the interval [0, 2π] satisfying the given equation\r
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document.write( "4 sin 2t + 2 tan 2t = 0 \n" );
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Algebra.Com's Answer #519187 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Find all values of t in the interval [0, 2π] satisfying the given equation \n" ); document.write( "4 sin 2t + 2 tan 2t = 0 \n" ); document.write( "divide by 2 \n" ); document.write( "2sin2t+tan2t=0 \n" ); document.write( "2sin2t+sin2t/cos2t=0 \n" ); document.write( "sin2t(2+(1/cos2t))=0 \n" ); document.write( ".. \n" ); document.write( "sin2t=0 \n" ); document.write( "2t=0 \n" ); document.write( "t=0 \n" ); document.write( "or \n" ); document.write( "2+(1/cos2t)=0 \n" ); document.write( "1/cos2t=-2 \n" ); document.write( "cos2t=-1/2 \n" ); document.write( "2t=2π/3, 4π/3 (In Q2 and Q3 in which cos<0) \n" ); document.write( "t=π/3, 2π/3 \n" ); document.write( " |