document.write( "Question 349029: find the trig functions of angle x if the terminal side of x passes through the point (-12, 5). \n" ); document.write( "

Algebra.Com's Answer #249477 by Edwin McCravy(20081) $\"\"$ $\"About$

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document.write( "Let's draw a picture and see:\r\n" );
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document.write( "find the trig functions of angle  if the terminal side of  passes through the point (-12, 5).\r\n" );
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document.write( "Notice I changed the name of the angle from x to  because\r\n" );
document.write( "x stands for the first coordinate of a point.  If you use x to refer\r\n" );
document.write( "to the angle too, you will have a conflict of variables.  That's a\r\n" );
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document.write( "Now we draw a perpendicular line down to the x-axis:\r\n" );
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document.write( "Next we cut off the green line beyond the right triangle, and label\r\n" );
document.write( "it r.  We use the Pythagorean theorem to calculate r:\r\n" );
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document.write( "Edwin

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