A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
Find the exact value of cos(11pi/8)
A.  sqrt(2 + sqrt(2) / 4)
B. sqrt(2  sqrt(2) / 4)
C. sqrt(2 + sqrt(2) / 4)
D.  sqrt(2  sqrt (2) / 4)
anonymous
 one year ago
Find the exact value of cos(11pi/8) A.  sqrt(2 + sqrt(2) / 4) B. sqrt(2  sqrt(2) / 4) C. sqrt(2 + sqrt(2) / 4) D.  sqrt(2  sqrt (2) / 4)

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I am thinking it is D.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Mostly because if I type cos(11pi/8) it gets me the value 0.38268 and D gets me the same answer. So that is my improper assumption. Haha.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0*type it into my calculator

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.1that's true LOLL D is correct

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Wowww! Hahaha Thank you for confirming.

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.1no probleeem LOL but you did it yourself so :) good job!
Ask your own question
Sign UpFind more explanations on OpenStudy
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
 Engagement 19 Mad Hatter
 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.