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anonymous

  • 5 years ago

Integrate 3 sin x I know sin x would be - cos x maybe this is not so hard.... chain rule - cos (x); x would just = 1 but it turned into a three. So is the answer - cos (3x)?

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  1. anonymous
    • 5 years ago
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    i think -3cosx

  2. anonymous
    • 5 years ago
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    why don't I have to integrate the 3 somehow? it remains unchanged? why wouldn't it at least get an x???

  3. myininaya
    • 5 years ago
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    +C where C is a constant gj ram

  4. myininaya
    • 5 years ago
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    its a constant just bring it down and integrate sinx

  5. myininaya
    • 5 years ago
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    how would you take derivative of -3cosx wouldn't you just bring the constant down and take derivative of cosx

  6. anonymous
    • 5 years ago
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    because it's a constant. similar to differentiation

  7. anonymous
    • 5 years ago
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    that dang +c I actually write it out at the end of the problem and circle it before I even start. So the smart monkey would kick the 3 outside the integration symbol before even starting?

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spraguer (Moderator)
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