Quantcast

A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

aussy123

  • 2 years ago

Can someone explain this problem to me? tan(-20°) = -tan20° True- The answer is true, but I dont know why. False

  • This Question is Closed
  1. harsimran_hs4
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ok let`s try can you tell sin(-x) = ? (in terms of sin(x))

  2. aussy123
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    umm Im not sure

  3. harsimran_hs4
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    anyways try...tell whatever is in your mind

  4. aussy123
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    sin(180 -) = sin

  5. harsimran_hs4
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ok so sin(-x) = - sin(x) (clear ?)

  6. aussy123
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    okay

  7. harsimran_hs4
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    now try for cos(-x) = ?

  8. aussy123
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    okay cos(-x)=-cos(x)

  9. harsimran_hs4
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    NO!!

  10. aussy123
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    cos(-x)=cos(x)

  11. harsimran_hs4
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    so now on right track so tan(-x) = sin(-x)/ cos(-x) = -sin(x)/ cos(x) = - tan(x) do you get it now?

  12. aussy123
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes, I believe so

  13. harsimran_hs4
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    why are you still not sure what`s the confusion?

  14. aussy123
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Im saying I believe so, because Im new to this so im not going to know this, but I believe I know enough to get through this lesson

  15. harsimran_hs4
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ok so does that end this question or there is still something that you need to ask?

  16. aussy123
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    No Im good, Thank you for your time!

  17. harsimran_hs4
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    :)

  18. 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.