csc Mul Add E Mul Add -0.463647609000806 x7 Add 4 x0 2 
Mul Mul Mul -1 cot Mul Add E Mul Add -0.463647609000806 x7 Add 4 x0 2 csc Mul Add E Mul Add -0.463647609000806 x7 Add 4 x0 2 Mul 2 Add -0.463647609000806 x7 