document.write( "Question 1128167: Use the given information to determine the values of sine 2 theta, cosine 2 theta, and tangent 2 theta.
\n" ); document.write( "sin theta=3/20; The terminal side of theta lies in quadrant II. \n" ); document.write( "

Algebra.Com's Answer #744666 by ikleyn(52790) $\"\"$ $\"About$

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document.write( "1.  First, you need to calculate  \r\n" );
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document.write( "         =  =  =  = .\r\n" );
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document.write( "        Notice that the sign before the final sqrt is \" - \" (\"minus\") since the angle  is in QII.\r\n" );
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document.write( "    Then\r\n" );
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document.write( "         =  = .\r\n" );
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document.write( "    At this point, I leave it to you to complete, simplify and to get the final number.\r\n" );
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document.write( "2.  Next,   =  = .\r\n" );
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document.write( "    Again, at this point, I leave it to you to complete, simplify and to get the final number.\r\n" );
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document.write( "3.  The final step is   = ,\r\n" );
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document.write( "    which values you substitute from steps 1 and 2.\r\n" );
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