Контрольна робота. Тригонометричні рівняння.

x = - π∕2+2πn, n∊Z

x = πn, n∊Z

 x= π+2πn, n∊Z

x = π∕2+2πn, n∊Z

x = -π∕2 + πn, n∊Z

x = π∕2 + πn, n∊Z

x = πn, n∊Z

x = π+ πn, n∊Z

x = (-1)ⁿπ/3 + πn, n∊Z

x = ±π/6 + πn, n∊Z

x = (-1)ⁿπ/6 + πn, n∊Z

x = (-1)ⁿπ/6 + 2πn, n∊Z

x = ±arccos1,2+2πn, n∊Z

x = ±arccos1,2+πn, n∊Z

x = ±π/6+2πn, n∊Z

немає розв'язків

x = -π/4+πn, n∊Z

x = 3π/2+6πn, n∊Z

x = -3π/2+6πn, n∊Z

x = -π/24+πn/6, n∊Z

немає розв'язків

x = ±π/8+πn, n∊Z

x = ±3π/4+2πn, n∊Z

x = ±3π/8+πn, n∊Z

x = ±π/4+πn, n∊Z

x = (-1)ⁿ⁺¹π/18 + πn, n∊Z

x = (-1)ⁿπ/18 + πn/3, n∊Z

x = (-1)ⁿ⁺¹π/18 + πn/3, n∊Z

x=(-1)ⁿ⁺¹π/18 + 2πn/3, n∊Z

x = π/8+2πn, n∊Z

x = -π/8+2πn, n∊Z

x = π/16+πn, n∊Z

x = π/8+πn, n∊Z

 x = πn, n∊Z

 x = πn, x = -π∕2 + πn, n∊Z

x = π∕2 + 2πn, n∊Z

x = πn, x = -π∕2 + 2πn, n∊Z

x = πn, x = π∕2 + 2πn, n∊Z

 arctg4+πk,k∈ℤ

 arctg4+2πk,k∈ℤ

 ±arctg4+2πk,k∈ℤ

коренів немає

cosx = 0,6

sin x = √2

tg x = √5

sin x = - ⅞

1-А, 2-Б, 3-Д, 4-В

1-В, 2-А, 3-Г, 4-Д

1- В, 2-Б, 3-Д, 4- А

1-Г, 2-А, 3- Б, 4-Д