Y mul pow add x3 add x4 mul x3 x4 c add mul add pow add x3 add x4 mul x3 x4 c mul c pow x4 c tan mul c x3 mul c mul pow cos mul c x3 c mul add x4 mul add c x3 add x3 add x4 mul x3 x4 add x3 add x4 mul x3 x4