simplified to derive the cosine sum identity?
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Mathematics, 05.11.2020 20:10, keke6361
Based on the diagram, which equation can be
simplified to derive the cosine sum identity?
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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Do you know the correct answer?
Based on the diagram, which equation can be
simplified to derive the cosine sum identity?
simplified to derive the cosine sum identity?
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