document.write( "Question 971854: Hello Tutor, I really need your help to answer this question please. \r
\n" ); document.write( "\n" ); document.write( "2. Solve for x: 3 + cos 2x = 7/2; only include answers on [0, 2π] \n" ); document.write( "

Algebra.Com's Answer #594244 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Clear the fraction by multiplying every term by 2\r\n" );
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document.write( "Subtract 6 from both sides:\r\n" );
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document.write( "Divide both sides by 2\r\n" );
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document.write( "Since  is positive, 2x is in QI or QIV\r\n" );
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document.write( "We want to include all but only all values of x on [0, 2π)\r\n" );
document.write( "which is the inequality:\r\n" );
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document.write( "Since our equation involves 2x, not just x, we must multiply \r\n" );
document.write( "that inequality through by 2:\r\n" );
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document.write( "So all possibilities for 2x in that interval for\r\n" );
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document.write( "are\r\n" );
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document.write( "And we solve for x:\r\n" );
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document.write( "Edwn

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