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Jeta3
@Jeta3
July 2022
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срочно решите
7cos3x-6=0
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Diru
7cos3x=6
Cos3x=6/7
3x=+-arccos(6/7) +2Пn, n-целое
X= (+-arccos(6/7))/3+2/3 Пn, n-целое
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Answers & Comments
Cos3x=6/7
3x=+-arccos(6/7) +2Пn, n-целое
X= (+-arccos(6/7))/3+2/3 Пn, n-целое