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invisadude Group Title

express as a single fraction the exact value of sin 75

  • 2 years ago
  • 2 years ago

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  1. BlingBlong Group Title
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    The last question I answered for you was wrong

    • 2 years ago
  2. BlingBlong Group Title
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    You should be able to correct the mistake now though, as you ahve seen the process

    • 2 years ago
  3. Mertsj Group Title
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    sin75=sin(45+30) Now use the formula for sin(x+y)

    • 2 years ago
  4. invisadude Group Title
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    what formula is that?

    • 2 years ago
  5. Mertsj Group Title
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    Don't you have a book?

    • 2 years ago
  6. Mertsj Group Title
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    sin(x+y)=sinxcosy+cosxsiny

    • 2 years ago
  7. invisadude Group Title
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    nvm i got it thanks

    • 2 years ago
  8. Mertsj Group Title
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    yw

    • 2 years ago
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