\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Change
to degrees:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "We subtract 360° enough times to get a\r\n" );
document.write( "a positive coterminal angle less than 360°: \r\n" );
document.write( "\r\n" );
document.write( "660°-360° = 300° (it was only necessary to\r\n" );
document.write( "subtract 360° one time.)\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "That is in QIV, So to get the reference\r\n" );
document.write( "angle, we subtract from 360° and get \r\n" );
document.write( "360°-300° = 60°.\r\n" );
document.write( "\r\n" );
document.write( "The secant, which is the reciprocal\r\n" );
document.write( "of the cosine, and the cosine is +\r\n" );
document.write( "in QIV, so \r\n" );
document.write( "\r\n" );
document.write( "







\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( "