$4x^2-3x=0x$
$\int\:\frac{28s+28}{\left(s^2+1\right)\left(s-1\right)^3}ds$
$3+7\csc^2x=11+3\csc^2x$
$\tan a+\cot a.\csc a$
$\left(1-\csc a\right)^2$
$3<4x+2$
$\int_0^{\frac{\pi}{3}}sec^4x\:dx$
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