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1 answer:
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Answer: 42 feet
Step-by-step explanation:
The solution is in the attachment
Answer: Option D
phase
Step-by-step explanation:
By definition, the cosine function has the following form
Where is known as the phase angle
By definition the sinx function is equal to the cosx function with a phase shift of
So if we have the function
and we want to transform it into the function
then
Finally
the answer is the option D