NO.: DATE: Determine the argument and the modulus of the given complex number (2-471(51) (3+ 8i ) Find the principal root of the complex number 1 - ( 2+ 41) 1 Evaluate the complex number ( cor 2 0 + i sin 20) " ( cor 30 ti cine )* 7'/3 ( cos 4 0 + ( sin 40 ) ( corGet i cine)