Mathematics
Senior High
Resolved
請問這題要怎麼解,或是圖要怎麼畫?謝謝!!
高二三角函數
類題
已知-T<r<2n,試利用正弦函數y = Sinc 的圖形,求滿足不等式 Sin.r>
的x範圍。
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請問x的範圍為甚麼寫醬?謝謝你!