sin7xcosx + cos7xsinx = -1
sin (7x+x) = -1
sin 8x = -1
8x=3п/2 + 2kп, k⊂z
x = 3п/16 + kп/4, k⊂z
Ответ: x = 3п/16 + kп/4, k⊂z
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
sin7xcosx + cos7xsinx = -1
sin (7x+x) = -1
sin 8x = -1
8x=3п/2 + 2kп, k⊂z
x = 3п/16 + kп/4, k⊂z
Ответ: x = 3п/16 + kп/4, k⊂z