in the interval from [0,2pi) is 
and 
.
, k is any integer . 
Find all solutions in the interval from [0,2pi)
2cos(3x)= -sqrt{2}
...
Mathematics, 24.03.2020 07:01 toxsicity
Find all solutions in the interval from [0,2pi)
2cos(3x)= -sqrt{2}
Answers: 2
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