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invisadude

  • 2 years ago

express as a single fraction the exact value of sin 75

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  1. BlingBlong
    • 2 years ago
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    The last question I answered for you was wrong

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

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

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

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

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

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

  8. Mertsj
    • 2 years ago
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    yw

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spraguer (Moderator)
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