A community for students.
Here's the question you clicked on:
 0 viewing
hawkfalcon
 3 years ago
What is x in this equation?
hawkfalcon
 3 years ago
What is x in this equation?

This Question is Closed

hawkfalcon
 3 years ago
Best ResponseYou've already chosen the best response.1\[\cos^2x +3cosx+2 = 0\]

hawkfalcon
 3 years ago
Best ResponseYou've already chosen the best response.1Oh then its just a quadratic :O

hawkfalcon
 3 years ago
Best ResponseYou've already chosen the best response.1:P What happens to the cos though? Do it after?

Mimi_x3
 3 years ago
Best ResponseYou've already chosen the best response.1u^2 + 3u + 2 = 0 solve for u then later sub it back in btw is it only me that latex is not working?

hawkfalcon
 3 years ago
Best ResponseYou've already chosen the best response.1Okay, thank you. I think its just you:O

hawkfalcon
 3 years ago
Best ResponseYou've already chosen the best response.1I can't believe I didn't see it was just a simple quadratic *.*

Mimi_x3
 3 years ago
Best ResponseYou've already chosen the best response.1well using a substitution is easier; at times when you see like the x squared; there is a high chance that its a quadratic. so use a substitution.

hawkfalcon
 3 years ago
Best ResponseYou've already chosen the best response.1Alright! Thank you so much:D
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.