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Find the Modulus and argument of the following complex numbers, and write them in trigonometric form:
A) The modulus is = .
The argument is .
B) The modulus is = .
The argument is = .
C) The modulus is = = 13.
The argument is .
D) The modulus is = = 2.
The argument is = .
On complex numbers, modulus and arguments, see the lessons
- Complex numbers and arithmetic operations on them
- Complex plane
- Addition and subtraction of complex numbers in complex plane
- Multiplication and division of complex numbers in complex plane
- Raising a complex number to an integer power
- How to take a root of a complex number
in this site.
Also, you have this free of charge online textbook in ALGEBRA-II in this site
- ALGEBRA-II - YOUR ONLINE TEXTBOOK.
The referred lessons are the part of this online textbook under the topic "Complex numbers".
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Notice that you incorrectly wrote your complex number in D).
I fixed your error in my response.