You can retry this quest Solve the following equation for over the interval 0 2 giving exact answers in radian units If an equation has no solution enter DNE Multiple solutions should be entered as a comma separated list sin 4x 2 sin 2x 0 Step 1 Use an appropriate double angle formula to rewrite the equaiton as 2 sin 2x cos 2x 2 sin 2x 0 Step 2 Solve the equation for over the interval 0 2 3 x 0 TT 2