Free SAT Practice Question

If all the angles used in the following statements are in radians, which of the statements are true? (with calculator)

I. $\mathrm{cos}\left(\dfrac{\mathrm{8}\mathrm{\pi }}{\mathrm{5}}\right)\mathrm{>sin}\left(\dfrac{\mathrm{3}\mathrm{\pi }}{\mathrm{4}}\right)$

II. $\mathrm{cos}\left(\dfrac{\mathrm{8}\mathrm{\pi }}{\mathrm{3}}\right)\mathrm{>tan}\left(\dfrac{\mathrm{2}\mathrm{\pi }}{\mathrm{5}}\right)$