2) сos (x/2 - П/4) =-1
х/2-п/4=п/2+ 2kп, k ∈ Z
х = 3п/2 + 4kп, K ∈ Z
2) √ 3tg (4x) = 3
√ 3tg (4x) = 3, x≠п/8 +kп/4, k ∈ Z
tg(4x) = 3/√ 3
tg(4x) = √ 3
4x = п/3 + kп, k ∈ Z
x = п/12 + kп/4, k ∈ Z, x≠п/8 + kn/4, k ∈ Z
х = п/12 + kn/4, k ∈ Z
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
2) сos (x/2 - П/4) =-1
х/2-п/4=п/2+ 2kп, k ∈ Z
х = 3п/2 + 4kп, K ∈ Z
2) √ 3tg (4x) = 3
√ 3tg (4x) = 3, x≠п/8 +kп/4, k ∈ Z
tg(4x) = 3/√ 3
tg(4x) = √ 3
4x = п/3 + kп, k ∈ Z
x = п/12 + kп/4, k ∈ Z, x≠п/8 + kn/4, k ∈ Z
х = п/12 + kn/4, k ∈ Z