Respuesta :

the solution is B. π/12+nπ

proof 
sinx cosx = 1/4 is equivalent to  2 sinx cosx = 1/2 or sin2x =1/2
so 2x = arcsin(1/2) = 
π/6 + 2nπ,  so x = π/12+nπ

Answer:

Its B and D.

Step-by-step explanation: