My Math Forum  

Go Back   My Math Forum > High School Math Forum > Algebra

Algebra Pre-Algebra and Basic Algebra Math Forum


Reply
 
LinkBack Thread Tools Display Modes
November 22nd, 2012, 09:41 AM   #1
Senior Member
 
Joined: Apr 2012

Posts: 106
Thanks: 0

Rotate complex number

Which number do we get, if we rotate complex number 3 + i around complex number 1-i, whereby angle of rotation is 60.

I cannot imagine what does rotation around the second vector should be..
Vasily is offline  
 
November 22nd, 2012, 01:05 PM   #2
Global Moderator
 
Joined: May 2007

Posts: 6,555
Thanks: 599

Re: Rotate complex number

Quote:
Originally Posted by Vasily
Which number do we get, if we rotate complex number 3 + i around complex number 1-i, whereby angle of rotation is 60.

I cannot imagine what does rotation around the second vector should be..
I'll let you work it out:

(1-i) + {(3+i)-(1-i)}{cos(?/3) + isin(?/3)}
mathman is offline  
Reply

  My Math Forum > High School Math Forum > Algebra

Tags
complex, number, rotate



Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
-1 is a complex number BenFRayfield Complex Analysis 1 November 24th, 2013 07:24 PM
Complex number singapore Complex Analysis 1 February 12th, 2013 12:50 PM
Complex Number Help timeforchg Algebra 1 August 29th, 2012 05:50 AM
Complex number hoyy1kolko Algebra 13 May 7th, 2011 11:45 PM
Finding real number in complex number TsAmE Complex Analysis 1 October 18th, 2010 04:38 PM





Copyright © 2018 My Math Forum. All rights reserved.