Recall the exact values of the trigonometric functions of special angles on the unit circle. Is the trig function in the given equation isolated on one side of the equation with a coefficient of one? The substitution ? = 2? may be a helpful step when solving. Is there more than one angle ? in the given interval that solves the equation?"

Find all exact solutions on [0, 22:). (Enter your answers as a comma-separated list.) 2 sin(26) = '5