El0earesLeeax El0earesLeeax
  • 26-11-2016
  • Mathematics
contestada

Solve on the interval : [0,2pi]

4 csc x +6=-2


A. 7pi/6 , 11pi/6

B. pi/6 , 5pi/6

C. pi/3 , 5pi/3

D. 2pi/3 , 4pi/3

Respuesta :

alsteva alsteva
  • 30-11-2016
[tex]4\csc{x}+6=-2 \\4\csc{x}=-8 \\ \csc{x}=-2 \\ \\ \frac{1}{\sin{x}}=-2 \\ \\ \sin{x}=- \frac{1}{2} \\ \\x= \frac{7\pi}{6}, \frac{11\pi}{6}[/tex]
Answer Link
malakainova
malakainova malakainova
  • 10-11-2020

Answer:

It is A, the other person is correct. Sorry I am 4 years late answering!

Step-by-step explanation:

Answer Link

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