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mitchelsewbaran

Write the expression as either the sine, cosine, or tangent of a single angle. sin 48° cos 15° - cos 48° sin 15° A. cos 33° B. cos 63° C. sin 63° D. sin 33°

  • one year ago
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  1. miley28
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    ans is sin(33)

    • one year ago
  2. miley28
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    by the formula sin (a-b)

    • one year ago
  3. mitchelsewbaran
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    what are the meanings of the trigonometic fuctions cos and sin?

    • one year ago
  4. miley28
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    ie. sin (48- 15)= sin(33) take 48 as 'a' and 15 as 'b'

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