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

greeneyes<3

Evaluate w/o using a calulator! tan (-3 pi/4) Show work or explain it please! Thanks

  • 2 years ago
  • 2 years ago

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

    1. tan(-x) = -tan(x) (from drawing) |dw:1334266709849:dw| therefore tan(-3pi/4) = -tan(3pi/4) 2. convert to degrees to make things simpler 3pi/4 radians =135 degrees 3. tan(180 - x) = -tan(x) so -tan(135) = -(-tan(45)) 4. tan(45) =1 so -(-tan(45)) = -(-1) = 1

    • 2 years ago
  2. greeneyes<3
    Best Response
    You've already chosen the best response.
    Medals 0

    Thank you so much! Very informative! Can you help with sec (11 pi/6)?

    • 2 years ago
  3. greeneyes<3
    Best Response
    You've already chosen the best response.
    Medals 0

    is the answer (2 sqrt3/3)?

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

    ill answer in your new question

    • 2 years 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.