词云图 : 考研数学,sin(a+b)=sinacosb+cosasinb,tana+tanb=sin(a+b)/cosacosb,∫dx/√bai(1-x²)=arc sinx + C=-arc cosx + C,∫sinax dx=-(1/a)cosax + C (a≠0) ,∫sex²x dx=tanx + C,(x^2+y^2)/a^2-z^2/c^2=0,x^2/a^2-y^2/b^2-z^2/c^2=1

图片尺寸 : 1920x1920 像素 | 2020/08/13 10:07:20
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