Solve the system of equations eie= cose -isin (0) in(e) is the imaginary unit and is the base of the natural logarithr use your solution in part a) to prove Sin(20) = 25th (0) cos(Ⓒ)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 44RE
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ہم
elo = cos e
a) Solve the system of equations
+isin(e)
eie= cose -isin (0)
for Cos (0) and
Sine) is the imaginary unit and is the base of the natural logarithm.
b) use your solution in part a) to prove
sin(20) = 2sih (0) cos(0)
Transcribed Image Text:ہم elo = cos e a) Solve the system of equations +isin(e) eie= cose -isin (0) for Cos (0) and Sine) is the imaginary unit and is the base of the natural logarithm. b) use your solution in part a) to prove sin(20) = 2sih (0) cos(0)
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