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~Limit Fungsi Trigonometri__

$lim_{xto1}frac{(x^2-1) tan(2 x-2)}{ { sin}^{2}(x - 1) }=$

$lim_{xto1}frac{(x-1)(x - 1) tan(2 x-2)}{ { sin}^{2}(x - 1) }=$

$lim_{xto1} frac{(x - 1)}{ sin(x - 1) } .(x + 1). frac{ tan2(x - 1) }{ sin(x - 1)} = $

$1 : .lim_{xto1}(x + 1) : . : 2 = $

1 : . : (1 + 1) : . : 2 =

1 : . : 2 : . : 2 =

4

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