Okay so! This is really urgent and it’s due really soon and I really don’t understand this question, could someone please help?
2 answers:
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Answer:
Step-by-step explanation:
Given
Required
Write the equivalent cosine function
The general formula is:
Where
Substitute for amplitude in
Substitute 3 for period in
<em>Multiply both sides by b</em>
<em>Divide through by 3</em>
Hence;
becomes