$\frac{70}{3}-\frac{9t}{2}$
$9\tan\left(1\right)^2-27$
$cos^4x=1$
$tan\:x\:+cot\:x\:+\:sec\:x\:csc\:x$
$-14\:\left(-5\right)\:+\:5\:$
$x\:^2\:+2x=8$
$-26+12+14-26-30+7-40+46+12$
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