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Zerlinda
@Zerlinda
August 2022
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tg^2x-1=0 решите пожалуйста.... и еще этот ctg^2x-3=0 плиз
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Dимасuk
Verified answer
Tg²x = 1
tgx =
±1
x =
±π/4 + πn, n ∈ Z (или x = -π/4 + πn, n ∈ Z и x = π/4 + πn, n ∈ Z)
ctg²x - 3 = 0
ctg²x = 3
ctgx = ±√3
x = ±π/6 + πn, n ∈ Z (или x = π/6 + πn, n ∈ Z и x = -π/6 + πn, n ∈ Z).
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Answers & Comments
Verified answer
Tg²x = 1tgx = ±1
x = ±π/4 + πn, n ∈ Z (или x = -π/4 + πn, n ∈ Z и x = π/4 + πn, n ∈ Z)
ctg²x - 3 = 0
ctg²x = 3
ctgx = ±√3
x = ±π/6 + πn, n ∈ Z (или x = π/6 + πn, n ∈ Z и x = -π/6 + πn, n ∈ Z).