> Example 3. Prove that sin? z + cos? z = 1. eiz 2 e2iz - 2+e- -2iz sin? , = Z 2i eiz + e e2iz + 2+ e- -2iz cos? 2 4 sin? z + cos² z = = 1.
> Example 3. Prove that sin? z + cos? z = 1. eiz 2 e2iz - 2+e- -2iz sin? , = Z 2i eiz + e e2iz + 2+ e- -2iz cos? 2 4 sin? z + cos² z = = 1.
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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