Change the sign of the real part of the complex number in the indicated example of this section and then perform the indicated operations for the resulting complex number.

Example 1

Data from Example 1

Represent the complex number 3 + 4j graphically and give its polar form. From the rectangular form 3 + 4j, we see that x = 3 and y = 4. Using Eqs. (12.8), we have

Thus, the polar form is 5(cos 53.1° + j sin 53.1°). See Fig. 12.10.

Transcribed Image Text:

r = 50 tan-1 = √32 +4² = 5 4 3 53.1°