document.write( "Question 1076455: Can someone help me with this problem? THANK YOU!
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\n" ); document.write( " 5.7cosx+4=1.15
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Algebra.Com's Answer #691073 by ikleyn(52908)\"\" \"About 
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document.write( "5.7cos(x) + 4 = 1.15   --->\r\n" );
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document.write( "5.7*cos(x) = 1.15 - 4 --->\r\n" );
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document.write( "5.7*cos(x) = -2.85   --->\r\n" );
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document.write( "cos(x) = \"%28-2.85%29%2F5.7\"   --->\r\n" );
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document.write( "cos(x) = \"-1%2F2\"  --->\r\n" );
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document.write( "x = \"2pi%2F3\"    and/or   x = \"4pi%2F3\". \r\n" );
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