sin(x^2)/sin^2x 求导

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sin(x^2)/sin^2x 求导
sin(x^2)/sin^2x 求导

sin(x^2)/sin^2x 求导
y = sin(x^2) / (sinx )^2
y ' = 2x cos(x^2) / (sinx )^2 + sin(x^2) * (-sin2x)/(sinx)^3
= 【 2x cos(x^2) (sinx) + sin(x^2) * (-sin2x) 】 /(sinx)^3

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