A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
(cos Θ + cos Θ)2 + (cos Θ + cos Θ)2
Can someone please help me with this??
anonymous
 one year ago
(cos Θ + cos Θ)2 + (cos Θ + cos Θ)2 Can someone please help me with this??

This Question is Closed

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1Are you sure it's \[(\cos \theta+\cos \theta)^2+(\cos \theta+\cos \theta)^2\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yeah you have it right

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1Ok, so notice that \[\cos \theta + \cos \theta = 2\cos \theta\]

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1\[(2\cos(\theta))^2+(2\cos(\theta))^2\] so we have this now

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1No just follow algebra rules what is \[(2\cos \theta)^2\]

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1\[(2\cos(\theta))^2 = 4\cos^2(\theta)\]

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1Now you have \[4\cos^2 \theta+4\cos^2 \theta\] what is that

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1It's just like saying 4x+4x

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thats not one of the options

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0unless i can just put 8?

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1What are the options

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1When you post a question, give everything

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1I think you gave the wrong problem, because all of those are wrong.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0(cos Θ + cos Θ)^2 + (cos Θ + cos Θ)^2

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1Can you take an image of it

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1All your options are incorrect :\

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0those are the options i was given

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1It should be 8 cos^2x

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0those are the answers i was given im sorry

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1Wolf agrees http://www.wolframalpha.com/input/?i=%28cosx%2Bcosx%29%5E2%2B%28cosx%2Bcosx%29%5E2

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1Is there more to the problem

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1Well, I'm not sure then, who ever made your problem must've been lazy.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i thik so thanks though

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.1You should message your teacher
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.