Question

СРОЧНО
1) 2sinx-1=0
2) ctg (3-4x)=0​

Answer 1

Ответ:

1) sinx=1/2

x=π/6+2πk;k€z

x=5π/6+2πk;k€z

2) ctg (3-4x)=0

3-4x=π/2+πn;n€z

-4x=π-6/2+πn;n€z (×-1/4)

x=π+6/8+πn/4;n€z