Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
← 55 members online
 0 viewing
mitchelsewbaran
Group Title
Which of the following is an exact value of cos 15° ?
 one year ago
 one year ago
mitchelsewbaran Group Title
Which of the following is an exact value of cos 15° ?
 one year ago
 one year ago

This Question is Closed

Azteck Group TitleBest ResponseYou've already chosen the best response.2
\[\large \cos15=\cos(6045)\] Double angle results. \[\large\cos(6045)=\cos60\cos45+\sin60\sin45\]
 one year ago

Azteck Group TitleBest ResponseYou've already chosen the best response.2
Now find out for cos15 after I gave you a headstart
 one year ago
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
 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.