ENG1090 Assignment 3 School of Mathematics Monash University Semester 1 2021 ENG1090 FOUNDATION MATHEMATICS Assignment 3 Assignment instructions Complete the following questions, upload and submit...

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Answered 1 days AfterApr 20, 2021ENG1090Monash University

Answer To: ENG1090 Assignment 3 School of Mathematics Monash University Semester 1 2021 ENG1090 FOUNDATION...

Rajeswari answered on Apr 21 2021
138 Votes
Assignment questions
Question 3.1 (5 marks)
Let S be the last non-zero digit of your student num
ber. Write down your student number. Find the fourth roots of the complex number 3i−S in exact principal argument form, and plot them on the Argand plane. Make sure you label each root correctly on the diagram.
Given that S=7
Complex number = 3i-7
z=-7+3i
|Z|=
Hence the given number can be written as
in polar form
Or (using the fact that 156.80 = 156.80pi/180 = 0.87 pi
Since cos and sin are periodic...
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