Y mul div c c mul x2 mul pow x5 c mul pow add c add x1 x2 c mul pow cos x2 c mul add c pow tan mul div c c mul pow add x2 mul x2 mul pow x5 c pow add c add x1 x2 c c pow cos x2 c c add x2 mul x2 mul pow x5 c pow add c add x1 x2 c