If sinα>sinβ, then, in the following statements, （ ） is true.

A、Assuming that α and β are the first quadrant angles, then cosα>cosβ.
B、Assuming that α and β are the second quadrant angles, then tanα>tanβ
C、Assuming that α and β are the third quadrant angles, then cosα>cosβ
D、Assuming that α and β are the fourth quadrant angles, then tanα>tanβ