$\frac{9}{3}c+\frac{1}{4}c+\frac{5}{3}a+\frac{4}{2}b-9b-3c$
$\left(seca+cosa\right)\left(seca-cosa\right)=tan^2a+sen^2a$
$\left(a-2\sqrt{3}\right)^6$
$\int\frac{4x+6x^3+8x^5}{2\sqrt{x\sqrt{x^3}}}dx$
$\left(cotx+cscx\right)\cdot\left(tanx-sinx\right)$
$\frac{\sec\left(x\right)}{\frac{1}{\sin\left(x\right)}}=\tan\left(x\right)$
$6^2+6^3+5^5$
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