Y mul div c c mul pow add x3 x0 c mul pow add c add x3 mul c mul x3 add c x3 c mul add c pow tan mul div c c mul pow add x3 x0 c mul pow add c add x3 mul c mul x3 add c x3 c add c x4 c add mul add c mul c x4 add c add x3 mul c mul x3 add c x3 mul add c x4 mul add c mul c x3 add x3 x0