cos(72*pi)*sin(42*pi) cos(18*pi)*sin(48*pi)
- --------------------- + ---------------------
129600 129600
$$- \frac{\sin{\left(42 \pi \right)} \cos{\left(72 \pi \right)}}{129600} + \frac{\sin{\left(48 \pi \right)} \cos{\left(18 \pi \right)}}{129600}$$
-cos(72*pi)*sin(42*pi)/129600 + cos(18*pi)*sin(48*pi)/129600
$$0$$
cos(72*pi)*sin(42*pi) cos(18*pi)*sin(48*pi)
- --------------------- + ---------------------
129600 129600
$$- \frac{\sin{\left(42 \pi \right)} \cos{\left(72 \pi \right)}}{129600} + \frac{\sin{\left(48 \pi \right)} \cos{\left(18 \pi \right)}}{129600}$$
-cos(72*pi)*sin(42*pi)/129600 + cos(18*pi)*sin(48*pi)/129600