A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 2 years ago
express sin(17pi/12) in terms of rational numbers and radicals.
how can i do this :/
 2 years ago
express sin(17pi/12) in terms of rational numbers and radicals. how can i do this :/

This Question is Closed

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0@anikay think u can help me with this one?

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1remember what I said about pi/6?

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0er.....hold on, u said....pi//6 is 30 deg.

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1ok, so, what would 12 be? then?

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0let me draw it reallyfast

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1you're going to need to know your half angle formulas for this

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1well, sucks, because it's gonna be a 75 degree reference angle :P

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0hold on im looking up the formula

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0cos(2a)=cos^2  sine^2 = 2cos^2  1 = 1 2 sin^2

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1awww D: no that's double angle

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0okay hold on let me check again

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1at least, the cos(2a) is

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0okay i got it, sin Q = 2 sin Q/2 cos Q/2, right?

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0haha im not good at math seriously ugh, this is horrible. im sorry if im wasting your time

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1meh tryin to hit multiple problems

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1\[\cos ^2 \frac{ \theta }{ 2 } = \frac{ 1+\cos(\theta) }{ 2 }\]

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0hm...okay, do i ....just plug in the 17pi/12?

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0okay :/ then ill skip it

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1cuz 150/2 = 75 xD or you could try 17pi/6

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0haha where is the 17 pi coming froM?!

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1isn't that your original problem?

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0IT IS!!! haha i finally saw it haha

lilsis76
 2 years ago
Best ResponseYou've already chosen the best response.0okay i have one more problem and its my last.

anikay
 2 years ago
Best ResponseYou've already chosen the best response.1I should sleep soon.... is this a better pastime than League of Legends? xD
Ask your own question
Ask a QuestionFind 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.