Y mul div c c mul pow x1 c mul pow mul pow x1 c add mul x1 add x3 mul c mul x1 mul add x1 pow x3 c sin x1 mul x1 add c tan c div c c add x3 mul c mul x1 add mul x1 add mul add x1 pow x3 c cos x1 sin x1 mul add x1 pow x3 c sin x1