Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

lilg132

intergrate want to check if the answer is right

  • one year ago
  • one year ago

  • This Question is Closed
  1. lilg132
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\int\limits_{}^{}6.6\sin(3x) - 2.5\cos(0.5x)dx\]

    • one year ago
  2. lilg132
    Best Response
    You've already chosen the best response.
    Medals 0

    answer ? \[{-6.6 \over 3}\cos(3x) + {2.5 \over 0.5} \sin(0.5x) + c\]

    • one year ago
  3. mathteacher1729
    Best Response
    You've already chosen the best response.
    Medals 1

    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. :)

    • one year ago
  4. lilg132
    Best Response
    You've already chosen the best response.
    Medals 0

    ok thanks alot mate :D

    • one year ago
  5. lilg132
    Best Response
    You've already chosen the best response.
    Medals 0

    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

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.