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(a) Using a trig identity, write x(t) = cos(9t) + 5 sin(9t) using only one cosine function. x(t) = help (formulas) (b) Using a trig identity, write x(t) = cos(9t) + 5 sin(9t) using only one cosine function. x(t): == help (formulas) (c) Using a trig identity, write x(t) = et (cos(9t) + 5 sin(9t)) using only one cosine function in your answer. x(t) = help (formulas)

(a) Using a trig identity, write x(t) = cos(9t) + 5 sin(9t) using only one cosine function. x(t) = help (formulas) (b) Using a trig identity, write x(t) = cos(9t) + 5 sin(9t) using only one cosine function. x(t): == help (formulas) (c) Using a trig identity, write x(t) = et (cos(9t) + 5 sin(9t)) using only one cosine function in your answer. x(t) = help (formulas)

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 21E
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(a) Using a trig identity, write x(t) = cos(9t) + 5 sin(9t) using only one cosine function. x(t)= help (formulas) (b) Using a trig identity, write x(t) = cos(9t) +5 sin(9t) using only one cosine function. x(t) = help (formulas) (c) Using a trig identity, write x(t) = e 4t (cos(9t) + 5 sin(9t)) using only one cosine function in your answer. x(t) = help (formulas)
Transcribed Image Text:(a) Using a trig identity, write x(t) = cos(9t) + 5 sin(9t) using only one cosine function. x(t)= help (formulas) (b) Using a trig identity, write x(t) = cos(9t) +5 sin(9t) using only one cosine function. x(t) = help (formulas) (c) Using a trig identity, write x(t) = e 4t (cos(9t) + 5 sin(9t)) using only one cosine function in your answer. x(t) = help (formulas)
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