document.write( "Question 772164: Find all solutions to the equation.\r
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document.write( "7 sin^2(x) - 14 sin x + 2 = -5 \n" );
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Algebra.Com's Answer #470725 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Find all solutions to the equation. \n" ); document.write( "7 sin^2(x) - 14 sin x + 2 = -5 \n" ); document.write( "7sin^2(x)-14 sin x+7 =0 \n" ); document.write( "sin^2(x)-2sin x+1 =0 \n" ); document.write( "(sinx-1)(sinx-1)=0 \n" ); document.write( "sinx=1 \n" ); document.write( "x=π/2+2pi*k, k=integer \n" ); document.write( " |