Find all exact solutions to 7 sin 2 x = tan x on [0, 21). Enter the answer in terms of t, as needed. Do not enter a decimal approximation. Instructions for entering . This question accepts lists of numbers or formulas separated by semicolons. E.g. "2; 4; 6" or "x+1; x-1". The order of the list doesnt matter but be sure to separate the terms with semicolons