document.write( "Question 602285: the expression tan(-220) is equivalent to?\r
\n" ); document.write( "\n" ); document.write( "(a) tan 50
\n" ); document.write( "(b) -tan 50
\n" ); document.write( "(c) -tan 40
\n" ); document.write( "

Algebra.Com's Answer #380177 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
the expression tan(-220) is equivalent to?\r
\n" ); document.write( "\n" ); document.write( "(a) tan 50
\n" ); document.write( "(b) -tan 50
\n" ); document.write( "(c) -tan 40
\n" ); document.write( "===========
\n" ); document.write( "c
\n" ); document.write( "
\n" );