document.write( "Question 827502: How do you solve cos (tan^-1 (7/6)) ? \n" ); document.write( "
Algebra.Com's Answer #498761 by lwsshak3(11628)\"\" \"About 
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How do you solve cos (tan^-1 (7/6)) ?
\n" ); document.write( "let x=angle whose tangent=(7/6)
\n" ); document.write( "hypotenuse of working right triangle=√(7^2+6^2)=√(49+36)=√85
\n" ); document.write( "cos (tan^-1 (7/6))=cos(x)=6/√85=6√85/85
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