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SANAMA11
@SANAMA11
July 2022
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2sin4x>-1 ..............
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Dимасuk
Verified answer
2sin4x > -1
sin4x > -1/2
-π/6 + 2πn < 4x < 7π/6 + 2πn, n ∈ Z
-π/24 + πn/2 < x < 7π/24 + πn/2, n ∈ Z
Ответ: x ∈ (-π/24 + πn/2; 7π/24 + πn/2), n ∈ Z.
1 votes
Thanks 1
scTFEKO
2sin4x>-1
sin4x>-1/2
-π/6+2πn<4x<7π/6+2πn,n-Z
-π/24+πn/2<x<7π/24+πn/2,n-Z
0 votes
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Answers & Comments
Verified answer
2sin4x > -1sin4x > -1/2
-π/6 + 2πn < 4x < 7π/6 + 2πn, n ∈ Z
-π/24 + πn/2 < x < 7π/24 + πn/2, n ∈ Z
Ответ: x ∈ (-π/24 + πn/2; 7π/24 + πn/2), n ∈ Z.
sin4x>-1/2
-π/6+2πn<4x<7π/6+2πn,n-Z
-π/24+πn/2<x<7π/24+πn/2,n-Z