sin(a)cos(b)+sin(90−a)cos(90+b)\sin\left(a\right)\cos\left(b\right)+\sin\left(90-a\right)\cos\left(90+b\right)sin(a)cos(b)+sin(90−a)cos(90+b)
y+(−9)=15y+\left(-9\right)=15y+(−9)=15
(6x−4)(2a−6)\left(6x-4\right)\left(2a-6\right)(6x−4)(2a−6)
log10(x2)+log10(x)=30\log_{10}\left(x^2\right)+\log_{10}\left(x\right)=30log10(x2)+log10(x)=30
x2+16x−3=0x^2+16x-3=0x2+16x−3=0
∫4(x−3)(x+1)2dx\int\frac{4}{\left(x-3\right)\left(x+1\right)^2}dx∫(x−3)(x+1)24dx
−9.−6.1-9.-6.1−9.−6.1
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