A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

medal to the person who can help me!! Find cos theta if sin theta=0.56

  • This Question is Closed
  1. LynFran
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    whats 0.56 in fraction form?

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

    14/25

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

    now do u know the Pythagorean triple (7,24,25)?

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

    no i don’t….

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

    If \[\sin (θ)=\frac{ opposite side }{ hypotenuse }=\frac{ 14 }{ 25 }\] and \[\cos(θ)=\frac{ adjacentside }{ hypotenuse }=\frac{ x }{ 25 }\] and it is a right triangle, so \[14^{2}+x ^{2}=25^{2}\] then \[x=\sqrt{429}\] so \[\cos (θ)=\frac{ \sqrt{429} }{ 25 }\]

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

    soo..is 25 the answer then? i thought i had to use the pythagorean identity..

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

    no i made an error ...mistook 14 for 24...lol

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

    ohhh so i had to find the triple to put into the equation.. GOT IT

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

    thnx xx :)

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

    @Natriumhydrid correct

  11. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

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.