Question

2 cos²x= 2-senx
ayuda porfa​

Answer 1

Respuesta:

0, 180, 30, 150

Explicación paso a paso:

2 cos²x = 2 - senx

2(1-x) = 2 - senx

2 - 2sen^{2}sen

2

x = 2 - senx

2 - 2 = 2sen^{2}sen

2

x - senx

0 = senx ( 2senx - 1)

senx = 0 y senx = 1/2

x = 0 x = 30

x = 180 x = 150