document.write( "Question 832332: give the exact value of cos(theta) and tan(theta) if sin(theta)=(2/5) and 0\n" ); document.write( "

Algebra.Com's Answer #501989 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"cos%5E2%28theta%29%2Bsin%5E2%28theta%29=1\"$
\n" ); document.write( " $\"cos%5E2%28theta%29%2B%282%2F5%29%5E2=1\"$
\n" ); document.write( " $\"cos%5E2%28theta%29=1-4%2F25\"$
\n" ); document.write( " $\"cos%5E2%28theta%29=21%2F25\"$
\n" ); document.write( " $\"cos%28theta%29=sqrt%2821%2F25%29\"$
\n" ); document.write( " $\"tan%28theta%29=2%2Fsqrt%2821%29=%282%2Asqrt%2821%29%29%2F21\"$ \n" ); document.write( "

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