Question

已知sinα＞0,cosα＞0,且sinαcosα＞，則α的取值范圍是(    )

A.(2kπ+,2kπ+),k∈Z                      B.(kπ+,kπ+),k∈Z

C.(2kπ+,2kπ+),k∈Z                        D.(kπ+,kπ+),k∈Z

Answer 1

A