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onegirl

Find the sum of sin2x and sinx

  • one year ago
  • one year ago

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  1. CliffSedge
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    I don't understand the question. Don't you just add them together since that's what "sum" means?

    • one year ago
  2. onegirl
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    its trig identities

    • one year ago
  3. CliffSedge
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    Do you want it only in terms of sin(x)? Here's a list of identities. http://tutorial.math.lamar.edu/pdf/Trig_Cheat_Sheet.pdf

    • one year ago
  4. across
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    The best you can do is simplify the expression:\[ \sin2x+\sin x\\ 2\sin x\cos x+\sin x\\ \sin x(2\cos x+1) \]

    • one year ago
  5. onegirl
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    yea in terms of sinx

    • one year ago
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