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