$sin3u\:=\:sin\:u\:\left(3\:-\:4sin^2u\right)$
$x^2+1=145$
$\left(n^5x^3\right)^2$
$64\cdot52$
$\int e^wcos\left(w\right)dw$
$\lim_{x\to0}\left(\frac{a^x-b^x}{x}\right)$
$x+5=-14$
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