A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
alyssababy7
 3 years ago
Solve the equation on the interval [0, 2π).
cos x + 2 cos x sin x = 0
A. 0 ; π/2 ; 7π/6 ; 3π/2
B. π/2 ; 7π/6 ; 3π/2 ; 11π/6
C. 7π/6 ; 11π/6 ; 2n
D. 7π/6 ; 11π/6
alyssababy7
 3 years ago
Solve the equation on the interval [0, 2π). cos x + 2 cos x sin x = 0 A. 0 ; π/2 ; 7π/6 ; 3π/2 B. π/2 ; 7π/6 ; 3π/2 ; 11π/6 C. 7π/6 ; 11π/6 ; 2n D. 7π/6 ; 11π/6

This Question is Closed

Brittni0605
 3 years ago
Best ResponseYou've already chosen the best response.0Do you need step by step help or just guidance?

satellite73
 3 years ago
Best ResponseYou've already chosen the best response.1\[\cos(x)(1+2\sin(x))=0\] \[\cos(x)=0\implies x=\frac{\pi}{2},x=\frac{3\pi}{2}\]or \[1+\sin(x)=0\implies \sin(x)=\frac{1}{2}\]etc

alyssababy7
 3 years ago
Best ResponseYou've already chosen the best response.0thank you very much. i just get stuck in the first steps.
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.