1Q. Compute the following: a. (2+5)* b. (4-3i)¹/6 c. Simplify: cos 40+isin40 cos 50+isin50 d. If z = cos 0 + isine, show that z + == 2cos 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 41E
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1Q. Compute the following:
a. (2+5)*
b. (4-3i) ¹/6
c. Simplify:
cos 40+isin40
cos 50+isin 50
1
d. If z = cos 0 + isine, show that z +
= 2cos 0
Transcribed Image Text:1Q. Compute the following: a. (2+5)* b. (4-3i) ¹/6 c. Simplify: cos 40+isin40 cos 50+isin 50 1 d. If z = cos 0 + isine, show that z + = 2cos 0
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