Mathematics
Senior High
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答えはあっていたのですが、sinθの範囲を1以下と書いてしまったら減点になりますか??
1 121 2 (₁-sinio)-sino-1 ≤0.
2 sin²g+ sino-120
(sino + 1)(2 sino-1) 20
-16 sino ≤ 951/
I
2-1
sing = -11 = { sino X
050<2R121.
0:27. 7.50367
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ありがとうございます!