/ 2 \
(20 + 16*x)*tan(4*(6*x + 9)) + \24 + 24*tan (4*(6*x + 9))/*(2*x + 6)*(4*x - 2)
$$\left(2 x + 6\right) \left(4 x - 2\right) \left(24 \tan^{2}{\left(4 \left(6 x + 9\right) \right)} + 24\right) + \left(16 x + 20\right) \tan{\left(4 \left(6 x + 9\right) \right)}$$
/ / 2 \ / 2 \ \
16*\12*\1 + tan (12*(3 + 2*x))/*(5 + 4*x) + 288*\1 + tan (12*(3 + 2*x))/*(-1 + 2*x)*(3 + x)*tan(12*(3 + 2*x)) + tan(12*(3 + 2*x))/
$$16 \left(288 \left(x + 3\right) \left(2 x - 1\right) \left(\tan^{2}{\left(12 \left(2 x + 3\right) \right)} + 1\right) \tan{\left(12 \left(2 x + 3\right) \right)} + 12 \left(4 x + 5\right) \left(\tan^{2}{\left(12 \left(2 x + 3\right) \right)} + 1\right) + \tan{\left(12 \left(2 x + 3\right) \right)}\right)$$
/ 2 / 2 \ / 2 \ / 2 \ \
1152*\1 + tan (12*(3 + 2*x)) + 12*\1 + tan (12*(3 + 2*x))/*(5 + 4*x)*tan(12*(3 + 2*x)) + 96*\1 + tan (12*(3 + 2*x))/*\1 + 3*tan (12*(3 + 2*x))/*(-1 + 2*x)*(3 + x)/
$$1152 \left(96 \left(x + 3\right) \left(2 x - 1\right) \left(\tan^{2}{\left(12 \left(2 x + 3\right) \right)} + 1\right) \left(3 \tan^{2}{\left(12 \left(2 x + 3\right) \right)} + 1\right) + 12 \left(4 x + 5\right) \left(\tan^{2}{\left(12 \left(2 x + 3\right) \right)} + 1\right) \tan{\left(12 \left(2 x + 3\right) \right)} + \tan^{2}{\left(12 \left(2 x + 3\right) \right)} + 1\right)$$