tuandonlam tuandonlam
  • 01-06-2018
  • Mathematics
contestada

how can i solve this equation?
Sin
[tex] sin^{3}x + 3sin {}^{2} x + 2 \sin x = 0[/tex]
Please help me if you can

how can i solve this equationSintex sin3x 3sin 2 x 2 sin x 0texPlease help me if you can class=

Respuesta :

NabasishGogoi
NabasishGogoi NabasishGogoi
  • 01-06-2018
Factorizing sin2x+3sinx+2=0

sin^2 x+2sinx+sinx+2=0

or sinx(sinx+2)+1(sinx+2)=0

or (sinx+1)(sinx+2)=0

Now as sinx+2≠0, we have sinx+1=0

or sinx= −1 =sin(3π/2)

Hence, x=2nπ+3π/2
Answer Link

Otras preguntas

Which scenario would natural selection most likely work on? O all of the insects in a certain desert that have the same adaptation for saving water O a populati
what are some examples of metabolic processes in cells?​
Lily earns $29.75 an hour. If she works 6 hours each day during the week and 4 hours a day during the weekend, find her weekly wage.
Who did jefferson hire to explore the louisiana territory.
Tolerance leads to -----and harmony
N2 + 3H22NH3 How many moles of hydrogen are needed to react with 2 moles of nitrogen?
How do I manage a patient with positive keening and burzinski sign and also has elevated blood pressures with fever of 39 degrees
This isn't a question just needed to spend a certain amount of points to get a certain amount of points so i'm satisfied good day
What do these rules say about the relationship between African-Americans and whites at the time?
helppppppppppppppppppppppppppppppppp