Объяснение:
1.
sin3x=0
3x=πn,n∈z
x=πn/3 ,n∈z
2.
4cos3x=2
cos3x=2/4
cos3x=1/2
3x= ±π/3+2πn ,n∈z
x=±π/9±2πn/3 ,n∈z
3.
cos x/3=1
x/3=0+2πn,n∈z
x=6πn,n∈z
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Объяснение:
1.
sin3x=0
3x=πn,n∈z
x=πn/3 ,n∈z
2.
4cos3x=2
cos3x=2/4
cos3x=1/2
3x= ±π/3+2πn ,n∈z
x=±π/9±2πn/3 ,n∈z
3.
cos x/3=1
x/3=0+2πn,n∈z
x=6πn,n∈z