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 expression can be added to the right side of the equal sign form an equation? 8•7 - 4=
24/4 = ?/1. 40/5 = ?/1
When was MAGCON created?
simplify 4/a-a/4 A. 16-a^2/4a B. 4-a/4a C. 4-a/a D. -1
An important element of an autobiography is self-evaluation or introspection. Which sentences in this excerpt from the Autobiography of Benjamin Franklin show t
How does the dialation affect angle measures?
How did the British planned to attack the Germans at somme
which best contains the old smith in "Honest work" with the kings groom in "For want a horseshoe nail" answers A) the old smith is cheerful and kind - while t
How big is constitution??
Which of the following best describes the change occurring in the American colonies as the 1700s progressed? They were becoming more like Britain. They were