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# Help

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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

Jul 3, 2021