document.write( "Question 965290: Please help with equation: write 9 cis (3pi/2) in rectangular form and sketch their representation in Argand diagram \n" ); document.write( "
Algebra.Com's Answer #590016 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"9cos%28%283pi%29%2F2%29=9cos%28%283pi%29%2F2%29%2B9isin%28%283pi%29%2F2%29\"
\n" ); document.write( "\"9cos%28%283pi%29%2F2%29=-9i\"
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