document.write( "Question 835428: cos theta=-1/5 and tan theta>0 what is sin theta?
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Algebra.Com's Answer #503511 by Fombitz(32388) $\"\"$ $\"About$

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$\"sin%5E2%28theta%29%2Bcos%5E2%28theta%29=1\"$
\n" ); document.write( " $\"sin%5E2%28theta%29%2B%28-1%2F5%29%5E2=1\"$
\n" ); document.write( " $\"sin%5E2%28theta%29%2B1%2F25=1\"$
\n" ); document.write( " $\"sin%5E2%28theta%29=24%2F25\"$
\n" ); document.write( " $\"sin%28theta%29=sqrt%2824%29%2F5=%282%2F5%29sqrt%286%29\"$ and $\"sin%28theta%29=-%282%2F5%29sqrt%286%29\"$
\n" ); document.write( "Since $\"tan%28theta%29=sin%28theta%29%2Fcos%28theta%29%3E0\"$ choose,
\n" ); document.write( " $\"sin%28theta%29=-%282%2F5%29sqrt%286%29\"$
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