document.write( "Question 639185: I need to solve the following for x where degrees 0 \n" ); document.write( "\n" ); document.write( "a) 3sinx=2cos(2x-1)
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Algebra.Com's Answer #402639 by Edwin McCravy(20086)\"\" \"About 
You can put this solution on YOUR website!
I need to solve the following for x where degrees 0 < x < 2pi for the\r
\n" ); document.write( "\n" ); document.write( "a) 3sinx=2cos(2x-1)
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document.write( "On your TI-84,  \r\n" );
document.write( "Press MODE and make sure RADIAN is highlighted\r\n" );
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document.write( "Press Y=\r\n" );
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document.write( "Type so that you see:\r\n" );
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document.write( "\Y1=3sin(X)\r\n" );
document.write( "\Y2=2cos(2X-1)\r\n" );
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document.write( "Press 2ND\r\n" );
document.write( "Press TRACE\r\n" );
document.write( "Press 7\r\n" );
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document.write( "You see this:\r\n" );
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document.write( "Press 2ND\r\n" );
document.write( "Press TRACE\r\n" );
document.write( "Press 5\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Press the right arrow about 4 times to get the cursor near the first point\r\n" );
document.write( "of intersection on the right of the x-axis\r\n" );
document.write( "Press ENTER\r\n" );
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document.write( "Read at the bottom the screen\r\n" );
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document.write( "X = .67609059   Ignore the Y value\r\n" );
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document.write( "That's the first solution .67609059\r\n" );
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document.write( "Press 2ND\r\n" );
document.write( "Press TRACE\r\n" );
document.write( "Press 5\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Press the right arrow about 15 times to get the cursor near the 2nd point\r\n" );
document.write( "of intersection on the right of the x-axis.\r\n" );
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document.write( "Read at the bottom the screen\r\n" );
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document.write( "X = 2.9789026   Ignore the Y value\r\n" );
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document.write( "That's the second solution 2.9789026\r\n" );
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\n" ); document.write( "b) sin(cosx)=3cos(x-2)
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document.write( "The second problem is done the same way.\r\n" );
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document.write( "The graph looks like this:\r\n" );
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document.write( "The solutions are\r\n" );
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document.write( ".66718557 and 3.8087782\r\n" );
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document.write( "Edwin
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