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anonymous

  • one year ago

Write the expression as either the sine, cosine, or tangent of a single angle. cosine of pi divided by five times cosine of pi divided by seven plus sine of pi divided by five times sine of pi divided by seven.

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  1. anonymous
    • one year ago
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    Just subtract the first term to the second term.

  2. anonymous
    • one year ago
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    Are you sure that's how it is?

  3. anonymous
    • one year ago
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    |dw:1438214054599:dw|

  4. anonymous
    • one year ago
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    Absolutely because I just took a test about this. But if you don't want to believe , then that's fine. Oh, when I said term, I meant to say "a" and "b." See the drawing above. That's the formula.

  5. anonymous
    • one year ago
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    Okay that drawing fixed the confusion I had when you said term

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