Refer to the graph of y = sin(x) or y = cos(x) to find the exact values of x in the interval [0, 4𝜋] that satisfy the equation. (Enter your answers from smallest to largest. Enter NONE in any unused answer blanks.)
\(sin(x)=-\sqrt{2}/2\)
* I already have 5pi/4 & 7pi/4 . I need two more answers
