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cos^5x,cosx与cosx

cos(1/5x)的图像兄适
cos(1/5x)的图像兄适(sinx/cos∧4)dx
(sinx/cos∧4)dx求函数y=e的负x次方乘以cos(5-x)的微分
求函数y=e的负x次方乘以cos(5-x)的微分定积分∫π2-π2(x^2arctanx cos^5x)dx
定积分∫π2-π2(x^2arctanx cos^5x)dxcos
cos
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