In Exercises 91 and 92, write the function in terms of the sine function by using the
Chapter 5, Problem 91(choose chapter or problem)
Using a Trigonometric Identity In Exercises 91 and 92, write the function in terms of the sine function by using the identity
\(A \cos \omega t+B \sin \omega t=\sqrt{A^{2}+B^{2}} \sin \left(\omega t+\arctan \frac{A}{B}\right)\)
Use a graphing utility to graph both forms of the function. What does the graph imply?
f(t) = 3 cos 2t + 3 sin 2t
Text Transcription:
A cos omega t+B sin omega t=sqrt{A^{2}+B^{2}} sin(omega t+arctan frac{A}{B})
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