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sara1234 Group Title

help me

  • one year ago
  • one year ago

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  1. StupidGenius Group Title
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    • one year ago
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  2. Tennistar Group Title
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    The person here explains it well

    • one year ago
  3. sara1234 Group Title
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    which answer is it though?

    • one year ago
  4. Tennistar Group Title
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    um, now that you mention it, I don't see an answer. I'll go look for it

    • one year ago
  5. sara1234 Group Title
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    i saw those i cant seem to find the answer that matchs in the attactment

    • one year ago
  6. Tennistar Group Title
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    @AccessDenied @Agent_Sniffles @evergirl @campbell_st @Libniz @LoveYou*69

    • one year ago
  7. Tennistar Group Title
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    I don't know. I called some people to help, try to figure it out. Sorry and good luck!

    • one year ago
  8. sara1234 Group Title
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    can you guys help please?

    • one year ago
  9. trollpower Group Title
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    sin(3x) = sin(x + 2x) = sin(x)cos(2x) + cos(x)sin(2x)

    • one year ago
  10. sara1234 Group Title
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    @trollpower which answer is that?

    • one year ago
  11. trollpower Group Title
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    your ques is sin(3x)+Cos(3x)

    • one year ago
  12. trollpower Group Title
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    You just have to remember two formulas sin(a+b) = sin(a)cos(b) + cos(a)sin(b) cos(a+b) = cos(a)cos(b) - sin(a)sin(b) Now solve it and get your answer

    • one year ago
  13. sara1234 Group Title
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    i don't know howw

    • one year ago
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