document.write( "Question 753432: i need help on how to do this step by step
\n" ); document.write( " find cos(acrtan(9/5))?
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Algebra.Com's Answer #458508 by lwsshak3(11628)\"\" \"About 
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i need help on how to do this step by step
\n" ); document.write( "find cos(acrtan(9/5))?
\n" ); document.write( "opposite side=9
\n" ); document.write( "adjacent side=5
\n" ); document.write( "hypotenuse=√(9^2+5^2)=√81+25)=√106
\n" ); document.write( "cos(acrtan(9/5)=5/√106
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