document.write( "Question 884444: Use reference angles to find the exact value of the expression. Do not use a calculator: csc660 degrees\r
\n" ); document.write( "\n" ); document.write( "csc660= 1/sin 660\r
\n" ); document.write( "\n" ); document.write( "I can find the answer when using the calculator, but I am lost as to figuring out the next step when not using the calc.\r
\n" ); document.write( "\n" ); document.write( "Thank you in advance!
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Algebra.Com's Answer #534304 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
If you rotate the unit vector CCW twice around
\n" ); document.write( "starting at 0 degrees, you have rotated
\n" ); document.write( "720 degrees in the positive direction
\n" ); document.write( "and are back where you started.
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\n" ); document.write( "Now if you back off ( CW direction ) by
\n" ); document.write( "60 degrees you are at 660 degrees.
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\n" ); document.write( "the csc of 660 degrees ( 4th quadrant )
\n" ); document.write( "is \"+-2%2Fsqrt%283%29+\"
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\n" ); document.write( "With calculator:
\n" ); document.write( "\"+-2%2Fsqrt%283%29+=+-1.1547+\"\r
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