1.

If 0 le x le 2 piand |cos x| le sin x, then

Answer»

the set of all VALUES of x is `[(pi)/(4), (3 pi)/(4)]`
the NUMBER of solutions that are integral multiple of `(pi)/(4)` is four
the sum of the LARGEST and the smallest solution is `pi`
the set of all values of x is ` x in [(pi)/(4), (pi)/(2)) cup ((pi)/(2), (3 pi)/(4)]`

ANSWER :A::C


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