$0.27+6.05$
$\lim_{x\to\infty}\left(cos\left(cos\left(x\right)\right)\right)$
$-12sin^2t+8cos^2t$
$\lim_{x\to0}\left(\frac{\sec\left(x\right)-\cos\left(x\right)}{3x^2}\right)$
$\int6z\sqrt{4+z^2}dx$
$4x+5\le0$
$\int_1^3\left(x+1\right)e^{2x+1}dx$
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