Mathematics
Senior High
数2 三角関数の内容です。
下記の問題の解き方わ教えてください。
旬
1年( )組( )矯 名前(
4. 0<の9 <2xr のとき, 次の廊程不圭式を解け
⑪ cos(2+子) -
② tan(29+ 和 ー方 2
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