Mathematics
Undergraduate
数IIです。sin cosの問題です。
2
1 105°= 60°+ 45° , 195°=60°+ 135°を利用して,次の値を求めなさい。
(1) sin105°
(2) cos105°
(3) sin195°
(4) cos195°
15
60
5点×4
(AるtE
2
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