b1233 b1233
  • 04-04-2018
  • Mathematics
contestada

solve for the exact value(s) of x, 0
2sin2xcosx + sin2x = 0

Respuesta :

mkryukova19 mkryukova19
  • 04-04-2018
sin2x (2cosx+1)=0
sin2x=0
2x=πn, n=0,1,2...
x=(π/2), 3π/2
2cosx=-1
cosx=-1/2
x=arccos(-1/2)
x=2π/3, 4π/3

Answer Link

Otras preguntas

Jane Marko buys a car for $43,900. In three years, the car depreciates 48% in value. How much is the car worth in 3 years
Asking questions when something is unclear is part of what
Based on the cartoon why might Americans have resented british imperialism
Camerin wants a new big screen TV and home theater surround sound​ system, which he thinks will cost $4,660. The store will finance up to ​$4160 for 2 years at
question is in the image
What are the domain and range of f(x)=1/5x
kelvin to fahrenheit f= 9/5(k-273.15) +32
Glenn needs 20 minutes to clean his room. If his little sister Veronika pulls things out while he is cleaning, it takes 60 minutes for him to clean the room. Ho
Reggie can line a football field in 120 minutes. Rosalinda can line a football field in 80 minutes. If they work together, how many minutes does it take them to
A system of equations is shown below: x + 3y = 5 (equation 1) 7x − 8y = 6 (equation 2) A student wants to prove that if equation 2 is kept unchanged and equat