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alyssababy7
Group Title
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
 one year ago
 one year ago
alyssababy7 Group Title
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
 one year ago
 one year ago

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Brittni0605 Group TitleBest ResponseYou've already chosen the best response.0
Do you need step by step help or just guidance?
 one year ago

satellite73 Group TitleBest 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
 one year ago

alyssababy7 Group TitleBest ResponseYou've already chosen the best response.0
would it be B
 one year ago

alyssababy7 Group TitleBest ResponseYou've already chosen the best response.0
thank you very much. i just get stuck in the first steps.
 one year ago

Brittni0605 Group TitleBest ResponseYou've already chosen the best response.0
Ok, np.
 one year ago
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