sin(3x)cos(x)sin(x)=tan(x)\frac{sin\left(3x\right)}{cos\left(x\right)sin\left(x\right)}=\tan\left(x\right)cos(x)sin(x)sin(3x)=tan(x)
4c2+88c+1214c^2+88c+1214c2+88c+121
8b2−7ab48b^2-7ab^48b2−7ab4
5(4y+7z)25\left(4y+7z\right)^25(4y+7z)2
65+−372165+\sqrt{-3721}65+−3721
2−8(97−x3)2-8\left(9\sqrt{7-x^3}\right)2−8(97−x3)
y′+x=0y'+x=0y′+x=0
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