karstenkluth karstenkluth
  • 02-01-2021
  • Mathematics
contestada

sin 2x = - 3 sinx
solution set

Respuesta :

sniku sniku
  • 02-01-2021

Answer:

x=0

Step-by-step explanation:

sin2x = - 3sinx

2 sinx cosx = - 3 sinx

. {sinx=0 => x=0.....i}

2cosx = -3

cosx = -3/2

not possible since range of cosx is [-1,1].....ii

so from i and ii

x = 0

Answer Link

Otras preguntas

Which of the following can fix nitrogen? Answer  A.human industrial processes   B.lightning  C.certain bacterial species   D.all of the above
Which of the following is most important in classifying two groups of bears into the same genus? A. similar diets B. similar genes C. similar habitat D. similar
how long is 63 months in years?
13/20-3/10 estimate: closer to 1 or 0?
What events began and ended athens' golden age??
What are the positive and negative aspects of a zoo or safari park?
how far away is all 9 planets from the sun
how far away is all 9 planets from the sun
Lauren bought 20 ounces of sliced ham. she used 3/4 of the ham to make sandwiches for her friends and 1/5 of the ham in an omelet. how many ounces of ham were l
Rmshot bought a 3.5oz chocolate bar.within 15minutes he had eaten 0.6 of the bar. How many ounces did he eat?