document.write( "Question 898382: How and why is the equation under the link true
\n" );
document.write( "http://i.imgur.com/aI6UpK3.png
\n" );
document.write( "The i stands for imaginary unit. My teacher solved the whole problem on the board but didn't explain how he did this particular equation. \n" );
document.write( "
Algebra.Com's Answer #544814 by Alan3354(69443) You can put this solution on YOUR website! Because cis(v)/cis(u) = cis(v-u) \n" ); document.write( " \n" ); document.write( " |