Find limit LIM (t → x) (Sint / SiNx) ^ (x / Sint SiNx)

Find limit LIM (t → x) (Sint / SiNx) ^ (x / Sint SiNx)

It's (Sint / SiNx) ^ [x / (Sint SiNx)], otherwise it's doubtful whether there exists limit e ^ ln (Sint / SiNx) ^ [x / (Sint SiNx)] = e ^ {[x / (Sint SiNx)] [ln (Sint) - ln (SiNx)]} {[x / (Sint SiNx)] [ln (Sint) - ln (SiNx)]} = x (lnsint lnsinx) / (Sint SiNx)}