Question 7 0/10 pts 9 3 99 0 Details Solve the following equation for 2 over the interval [0, 27), giving exact answers in radian units. If an equation has no solution, enter DNE. Multiple solutions should be entered as a comma-separated list. 2 cos" () + cos(20) = 0 2 =Question 8 0/10 pts 9 3 99 0 Details Suppose 0 is an angle between 0 and If we know that sin(0) = n, then find the following. Give your answers in terms of the letter n and without using any trig functions. = (0)so5 sin (20) = cos(20) =