A community for students.
Here's the question you clicked on:
 0 viewing
NotTim
 4 years ago
IF anyone is still awake: sin(7pi/12)+cos(pi/12)
NotTim
 4 years ago
IF anyone is still awake: sin(7pi/12)+cos(pi/12)

This Question is Closed

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0I should know this, But erk.

shinigami1m
 4 years ago
Best ResponseYou've already chosen the best response.27pi/12*180/pi pi/12*180/pi cos 15 + sin 105

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0Oops. Sorry. I did not clarify: Simplify the following. the final answer must be exact. However, it isn't necessary to rationalize the denominator.

shinigami1m
 4 years ago
Best ResponseYou've already chosen the best response.2use angle identites for cos (4530) and sin (60+45)

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0Sorry. I don't understand....

shinigami1m
 4 years ago
Best ResponseYou've already chosen the best response.2sincos sincos cos cos sin sin??

Ishaan94
 4 years ago
Best ResponseYou've already chosen the best response.0NotHello NotTim, sin(7pi/12) + cos(pi/12) cos(pi/2 + pi/12) + cos (pi/2)

Ishaan94
 4 years ago
Best ResponseYou've already chosen the best response.0NotSorry, sin(pi/2 + pi/12) + cos(pi/2)

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0Er, I still don't understand...

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0Wait. So am I doing the addition formula for both of them?

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0In that, I break both of them up?

Ishaan94
 4 years ago
Best ResponseYou've already chosen the best response.0Don;t do it my way, it's only gonna make it more complicated I thought I would be able to reduce it to Zero but Zero isn't the answer... shinigam1m is right!

Ishaan94
 4 years ago
Best ResponseYou've already chosen the best response.0sin(105) + cos(15) sin(60 + 45) + cos(45  30) sin60cos45 + sin45cos60 + cos45cos30 + sin45sin30

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0I think I m suppose to keep it in radians.

Ishaan94
 4 years ago
Best ResponseYou've already chosen the best response.0keep it in radians then 45 = pi/4, 60 = pi/3 and 30=pi/6

Lili_Perez
 4 years ago
Best ResponseYou've already chosen the best response.0i changed my picture
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.