document.write( "Question 959866: If sin A = 7/10 what is the value of cos A \n" ); document.write( "

Algebra.Com's Answer #586647 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sin%5E2%28A%29%2Bcos%5E2%28A%29=1\"$
\n" ); document.write( " $\"%287%2F10%29%5E2%2Bcos%5E2%28A%29=100%2F100\"$
\n" ); document.write( " $\"cos%5E2%28A%29=100%2F100-49%2F100\"$
\n" ); document.write( " $\"cos%28A%29=sqrt%28100-49%29%2F10\"$
\n" ); document.write( " \n" ); document.write( "

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