If `0 le x le 2 pi and |cos x| le sin x`, then

Options

A. the set of all values of x is `[(pi)/(4), (3 pi)/(4)]`
B. the number of solutions that are integral multiple of `(pi)/(4)` is four
C. the set of all values of x is `[(pi)/(2), (3 pi)/(4)]`
D. the set of all values of x is ` x in [(pi)/(4), (pi)/(2)) cup ((pi)/(2), (3 pi)/(4)]`

Answer

A