document.write( "Question 547080: Find the exact value of the expression: sin(tan^-1(-1)) \n" ); document.write( "
Algebra.Com's Answer #356200 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
Find the exact value of the expression: sin(tan^-1(-1))
\n" ); document.write( "tan^-1(-1)=π/4 or 45º
\n" ); document.write( "sin(tan^-1(-1))=sin(π/4)=√2/2
\n" ); document.write( "
\n" );