A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
Evaluate the expression without using a calculator. sin pi/6 + cos pi/6
I'm so lost on how to do this :/
anonymous
 one year ago
Evaluate the expression without using a calculator. sin pi/6 + cos pi/6 I'm so lost on how to do this :/

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sin pi/6 +cos pi/6 this is same as sin 30 + cos 30

dumbcow
 one year ago
Best ResponseYou've already chosen the best response.0unit circle https://en.wikipedia.org/wiki/Unit_circle#/media/File:Unit_circle_angles_color.svg (cos,sin)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh okay I understand now. Thanks

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sin30= 1/2 and cos 30= \[\sqrt{3/2}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now solve \[1/2 +\sqrt{3/2}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It says in the back of the book that its \[1+\sqrt{3}/2\] but idk understand how they got the radical

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so, 1+\[\sqrt{3}/2\] is the answer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0nevermind I do see now

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0its just simple.since they have same denominator, you just add the numerators

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0very correct. now you understand
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.