Mathematics
Senior High
どうしたらπ/3から11π/6になるんですか?
(1) y=cos(-5) = cos(-) 67
周期は6
3 9
3
YA
1
OT
3
77.
11
6
TU
COS
10
3
T
29
6
π
19 0
TU
3
Answers
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