Lim x mendekati 0 ( sin x sin 5x /6x) = lim x mendekati 0 ( sin x sin 5x )/6x = 1 Pembahasan Untuk mengerjakan soal di atas影片:證明 lim (sin x)/x (英),khan videos > 初級微積分。源自於:均一教育平台 願 每個孩子都成為終身學習者,成就自己的未來。 Suppose lim x → 0sin1 x = A where A ∈ R The negation of the definition of limit is ∃ϵ > 0 such that ∀δ > 0, there is some x ∈ R such that 0 < x < δ and sin1 x ≥ ϵ Let ϵ = 1 2 We want to define x so that x is less than δ, but 1 x is π 2 2πn
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