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Home > PC > Chapter 11 > Lesson 11.2.1 > Problem 11-71

11-71.
  1. Find the rectangular form of each complex number. Use exact values! Homework Help ✎

    1. z = 6 (cos() + i sin())

    2. z = 7 (cos() + i sin())

Substitute the exact values for sine and cosine of 5π/6.

Distribute.

Recall how you graph complex numbers.Where would this point be in the xy-plane?