Hi,

Needing help on the following limits, its been a long time since I have done trig, and have forgotten allot of trig properties.. any help would be appreciated on workings.

$\displaystyle \lim_{x \rightarrow 0} \frac{sinx^4}{sin^2x^2}$

$\displaystyle \lim_{x \rightarrow \infty} xsin \frac{1}{x}$