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sara1234

  • 3 years ago

help me

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  1. StupidGenius
    • 3 years ago
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  2. Tennistar
    • 3 years ago
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    The person here explains it well

  3. sara1234
    • 3 years ago
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    which answer is it though?

  4. Tennistar
    • 3 years ago
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    um, now that you mention it, I don't see an answer. I'll go look for it

  5. sara1234
    • 3 years ago
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    i saw those i cant seem to find the answer that matchs in the attactment

  6. Tennistar
    • 3 years ago
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    @AccessDenied @Agent_Sniffles @evergirl @campbell_st @Libniz @LoveYou*69

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

  8. sara1234
    • 3 years ago
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    can you guys help please?

  9. trollpower
    • 3 years ago
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    sin(3x) = sin(x + 2x) = sin(x)cos(2x) + cos(x)sin(2x)

  10. sara1234
    • 3 years ago
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    @trollpower which answer is that?

  11. trollpower
    • 3 years ago
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    your ques is sin(3x)+Cos(3x)

  12. trollpower
    • 3 years ago
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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

  13. sara1234
    • 3 years ago
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    i don't know howw

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