Y mul pow add x3 mul add x2 x3 tan mul x2 pow x3 c c mul add x2 x3 add mul c mul pow cos mul x2 pow x3 c c mul add c mul x2 pow x2 c add x2 x3 mul c mul x2 mul x2 mul x3 add x3 mul add x2 x3 tan mul x2 pow x3 c