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

The circumfrence of a ball is 60cm. The ball rolls 16.2m. How many times does the ball make one complete roll?
A sample of a substance has these characteristics: • melting point or 9811 K • hard. brittle solid at room temperature • poor conductor of heat and electricity
Who lived in America before the Europeans arrived?
Which polyatomic ion is found in the compound represented by the formula NaHCO3? (1) acetate (3) hydrogen sulfate (2) hydrogen carbonate
We elect a President for how many years?
What does the President’s Cabinet do?
solving equationswhat is the value of x 8x+9=5x+18
The accepted value for the percent by mass of water in a hydrate is 36.0%. In a laboratory activity, a student determined the percent by mass of water in the hy
We elect a President for how many years?
What happened at the Constitutional Convention?