||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
from numpy import cos
z=cos(1+i).n(digits=15) # specify the accuracy
print "u = ",real(z) # real part
print "v = ",imag(z) # imaginary part
}}}

/* code_ends */

 * '''Solution by''': 
   * <Sunny Mehrotra>, <Student>, <IIT Roorkee>
   * <Sharat S. I.>, <Student>, <IIT Roorkee>