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

How can you determine the domain and range of a function?

During which event were four Native American nations forcibly removed from their lands? A. the Gold Rush B. the Trail of Tears C. the westward journey of

Calculate the area for the parallelogram if a= 12.3 ,b = 10.8 and c= 17.3

the graph shows the function f(x)=2^x. what is the value of x when f(x)=8?

Calculate the kinetic energy of a particle with a mass of 3.334 x 10-27 kg and a speed of 2.89 x 105 m/s

I'm stuck, need help please!

It took Mark 6 hours to drive from his college to his home. The next week he drove the same distance from his home back to his college in 5 hours. If the averag

____ control the way one slide replaces another on-screen during a presentation

Please help me with these I don’t understand!

An airplane can fly with the wind a distance of 920 miles in 4 hours. however, the return trip against the wind takes 5 hours. find the speed of the plane in st