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lilg132 Group Title

intergrate want to check if the answer is right

  • 2 years ago
  • 2 years ago

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  1. lilg132 Group Title
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    \[\int\limits_{}^{}6.6\sin(3x) - 2.5\cos(0.5x)dx\]

    • 2 years ago
  2. lilg132 Group Title
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    answer ? \[{-6.6 \over 3}\cos(3x) + {2.5 \over 0.5} \sin(0.5x) + c\]

    • 2 years ago
  3. mathteacher1729 Group Title
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    Looks good to me. You can always take the derivative of your answer and see if you get the expression inside the integral for problems like this, though. :)

    • 2 years ago
  4. lilg132 Group Title
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    ok thanks alot mate :D

    • 2 years ago
  5. lilg132 Group Title
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    because when i typed it in wolframalpa it gave me a completely different answer https://www.wolframalpha.com/input/?i=integrate+6.6sin%283x%29+-+2.5cos%280.5x%29dx

    • 2 years ago
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