document.write( "Question 678258: Given sin(a)=-\"1%2F3\" in quadrant IV, find the exact values of the other five trig functions. \n" ); document.write( "
Algebra.Com's Answer #421228 by pmatei(79)\"\" \"About 
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In quadrant IV, sine is negative and cosine is positive.\r
\n" ); document.write( "\n" ); document.write( "\"%28sin%28a%29%29%5E2+%2B+%28cos%28a%29%29%5E2+=+1\"\r
\n" ); document.write( "\n" ); document.write( "\"%28-1%2F3%29%5E2+%2B+%28cos%28a%29%29%5E2+=+1\"\r
\n" ); document.write( "\n" ); document.write( "\"1%2F9+%2B+%28cos%28a%29%29%5E2+=+1\"\r
\n" ); document.write( "\n" ); document.write( "\"%28cos%28a%29%29%5E2+=+8%2F9\"\r
\n" ); document.write( "\n" ); document.write( "\"cos%28a%29+=+2sqrt%282%29%2F3\"\r
\n" ); document.write( "\n" ); document.write( "Now tangent:\r
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\n" ); document.write( "\n" ); document.write( "Cotangent:\r
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\n" ); document.write( "\n" ); document.write( "Secant:\r
\n" ); document.write( "\n" ); document.write( "\"sec%28a%29+=+1%2Fcos%28a%29+=+3%2F%282sqrt%282%29%29+=+3sqrt%282%29%2F4\"\r
\n" ); document.write( "\n" ); document.write( "Cosecant:\r
\n" ); document.write( "\n" ); document.write( "\"csc%28a%29+=+1%2Fsin%28a%29+=+-3\"
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