Complex Numbers Flashcards
1
Q
How is the modulus/ magnitude found?
A
|z| = square root of a^2+b^2
2
Q
What is the argument?
A
The smallest angle between the complex number and the positive axis
3
Q
If the angle is in the first, second, third, fourth quadrant what do you do to it?
A
1st = that is your answer
2nd = 180- ans
3rd = -(180-ans)
4th = -ans
4
Q
What is 180 degrees equal to in radians?
A
pi^c
5
Q
What is 90 degrees equal to in radians?
A
pi/2 ^c
6
Q
What is 45 degrees equal to in radians?
A
pi/4 ^c
