document.write( "Question 451699: I would appreciate some help with these two questions:\r
\n" ); document.write( "\n" ); document.write( "Solve each question for 0 ≦ Ꮎ < 2p\r
\n" ); document.write( "\n" ); document.write( "1. $\"2cos%5E2%28theta%29-1=0\"$
\n" ); document.write( "2. $\"sqrt%282%29sin%28theta%29cos%28theta%29%2Bcos%28theta%29=0\"$
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Algebra.Com's Answer #310605 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!
I would appreciate some help with these two questions:
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document.write( "Solve each question for 0 ≦ Ꮎ < 2p\r\n" );
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document.write( "Use the principle of square roots:\r\n" );
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document.write( "Since the cosine can be positive or negative,\r\n" );
document.write( "The solutions are all the angles in all four \r\n" );
document.write( "quadrants with a 45² or  reference \r\n" );
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document.write( "They are:\r\n" );
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document.write( "Factor out GCF \r\n" );
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document.write( "Use the zero-factor property.  Setting the first\r\n" );
document.write( "factor = 0,\r\n" );
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document.write( "This has solutions , \r\n" );
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document.write( "Setting the other factor = 0,\r\n" );
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document.write( "Since the sine is negative, the solutions are the \r\n" );
document.write( "angles in the third and fourth quadrants with a \r\n" );
document.write( "45² or  reference angle.\r\n" );
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document.write( "They are  and   \r\n" );
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document.write( "So the solutions are: \r\n" );
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document.write( ", , , and \r\n" );
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document.write( "Edwin

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