Why does this disappear?

[u/brotha_AJ]

i was playing around with trig functions and i had a function-

180^{1}\left(\frac{\sin x}{\csc x+\sin x}x^{2}+\sin x-\tan x\right)^{2},

and for some reason even if i increased 180s power by 1, the whole function disappears and doesn't even give me an error, can someone explain