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

A 0.050 kg bullet strikes a 5.0 kg wooden block with a velocity of 909 m/s and embeds itself in the block which fies off its stand. what was the final velocity
What happened to fluid when it’s temperature increases
List three ways that the average citizen could be influenced by propaganda during WWI?*
The exterior angle of a regular polygon is 30°. What is the measure of an interior angle of the polygon. B. How many sides does this polygon have. C. What is
The net below makes a square pyramid.Find its surface area.8 am3 cm​
please help it's in math
Can anybody help me solve this? You must solve for X first. (Click in picture for full image)
What was the Louisiana purchase?
what is -0.8- (-1.6)?
Find the poetic devices in the given lines. What is the boy now, who has lost his ball, What, what is he to do? I saw it go