CONCEPTUAL TOOLS

By:  Carl H. Durney and Neil E. Cotter

Complex Analysis

 

 

Rectangular/ Polar Forms

 

 

Example 3

 

 

 
 
 
 

 

Ex:            Find the rectangular form of
Ans:         
Sol'n:        We must express  in rectangular form a + jb.
                  We use Euler's formula for the complex exponential:
                       
                  Applying identities, cos(–A) = cos(A) and sin(–A) = –sin(A), we have