Perform the indicated operation. Give answers in rectangular form expressing real and imaginary parts to four decimal places. 50) (12 cis 14.5 degree)(3 cis 8.5 degree) Solution 12cis14.5 /3cis8.5 write numerator and denomiantor in polar form 12cis14.5 = 12e^i(14.5) 3cis8.5 = 3e^i(8.5) 12cis14.5 /3cis8.5 = 12e^i(14.5)/ 3e^i(8.5) = 4e^i6 = 4(cos6 +isin6) = 3.9780 + i*0.4181.