document.write( "Question 628469: Use a graphing calculator to solve the equation -3 cos t = 1 in the interval from 0 to 2p. Round to the nearest hundredth. \n" ); document.write( "

Algebra.Com's Answer #395656 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use a graphing calculator to solve the equation -3 cos t = 1 in the interval from 0 to 2p. Round to the nearest hundredth.
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document.write( "On your TI-83 or TI-84,\r\n" );
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document.write( "press ON\r\n" );
document.write( "press MODE\r\n" );
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document.write( "Make sure RADIAN is highlighted\r\n" );
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document.write( "press Y=  (clear anything in there after any \Y= \r\n" );
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document.write( "Make it read this:\r\n" );
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document.write( "\Y1=-3cos(3x)\r\n" );
document.write( "\Y2=1\r\n" );
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document.write( "press ZOOM\r\n" );
document.write( "press 7\r\n" );
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document.write( "That's the graph for -2pi to 2pi\r\n" );
document.write( "You only want graph for 0 to 2pi\r\n" );
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document.write( "press WINDOW\r\n" );
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document.write( "you see Xmin=-6.152286... change it to read Xmax=0\r\n" );
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document.write( "press GRAPH\r\n" );
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document.write( "see something like this without the numbers:\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 three times\r\n" );
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document.write( "at bottom of screen  read first answer   X=1.9106332\r\n" );
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document.write( "For second answer\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 two times\r\n" );
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document.write( "press the right arrow key about 35 to 40 times to get the cursor \r\n" );
document.write( "over near the second intersection point.\r\n" );
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document.write( "press ENTER\r\n" );
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document.write( "at bottom of screen  read second answer   X=4.3725521\r\n" );
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document.write( "Edwin

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