1) cos2x=1/2
2) sinx/3=√3/2
3) tgx/2=√3
4) ctg3x=√3/3
5) 4sinx+3=0
6) 7cosx-2=0
7) tg3x+10=0
8) 12ctg2x=5
cos2x=1/2
2x = ± + 2n, n ∈ Z
x = ± +
= (-1)⁻n n, n ∈ Z
x = (-1)⁻n n, n ∈ Z
n, n ∈ Z
x = n, n ∈ Z
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
cos2x=1/2
2x = ± + 2n, n ∈ Z
x = ± +
= (-1)⁻n n, n ∈ Z
x = (-1)⁻n n, n ∈ Z
n, n ∈ Z
x = n, n ∈ Z