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

iheartfood

sin(3pi/4)=_____ (answer choices attached inside!)

  • one year ago
  • one year ago

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

    Where are the attachments?

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

    sorry right here haha :P answer choceis A,B,C,D from top to bottom :) **my answer: B. sq.rt 2/2 is that right? :)

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

    Are you familiar with the unit circle?

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

    yes.. its a circle with the radius of 1 right?

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

    Yes, but we have to figure out the exact value. So, what I would do is convert radians to degrees first. If you let pi = 180, then you will have: sin(3(180)/4) = sin(3(45))

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

    That's your hint.

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

    ok... :)

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

    and they both equal each other!! So is my answer B. then? :)

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

    B is the correct answer, but how did you figure it out?

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

    well i used ur hint and plugged it into my calc and they both had .088 as the result and laso b4 that, i did sin3pi/4and i just converted it :) hehe

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

    thanks :)

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

    The only thing you need to figure it out is a unit circle. \[\sin(135^{\circ}) = \frac{\sqrt{2}}{2}\]

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

    ok.. thanks :)

    • 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.