Mathematics
Senior High
Resolved
これは合っていますか??
20≦0<2のとき,次の方程式および不等式を解け。
(Prime308、 309類)
20= -1/1/2
(1) cos20
0 ≤ 2 0 < 4T
3TL
~2周
20 = 3r, $n, £n, T
T
9: 誓寺に、また、今に
TC.
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