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vts122594
@vts122594
July 2022
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решить уравнение. 1)cos0,5x=0. 2)1-cos3x=0
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ShirokovP
Verified answer
Cos 0,5x = 0
0,5x = pi/2 + pik /*2
x = pi + 2pik, k ∈Z
1 - cos3x = 0
- cos3x = - 1
cos3x = 1
3x = 2pik
x = (2pik)/3, k ∈Z
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vts122594
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Answers & Comments
Verified answer
Cos 0,5x = 00,5x = pi/2 + pik /*2
x = pi + 2pik, k ∈Z
1 - cos3x = 0
- cos3x = - 1
cos3x = 1
3x = 2pik
x = (2pik)/3, k ∈Z