Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 106E
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Question
Solve sin(4x)cos(8x) - cos(4x)sin(8x) = -0.8 for the smallest positive solution.
x = ???
The answer should be accurate to two decimal places
Expert Solution
Step 1
The given equation is .
It is known that,
.
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