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

find the gcf of 24m and 16mm
find the factor of 14
how do the particles in an atom differ in electrical charge
at 2 p.m.,the level of the water in the pool was 10 feet.at 6 p.m., the level of water was 2 feet.find the rate of change of the water
a chemical whose absence from the diet for a long time results in specific changes in health is
two angles are _____ if and only if the sum of their measures is 90°. a. adjacent angles b. vertical angles c. complementary angles d. right angles
it is important to assess your draft from a reader s point of view. (points : 1) true false
Of the following groups—adenine, ribose, and phosphate—which are changed during the processes that convert among ATP, ADP, and AMP? Which group or groups does n
Who has the power to begin the process of raising taxes in the united states? (1 point) courts house of representatives president senate
According to Freud, fixation in which stage of psychosexual development can cause problems with authority figures during adulthood