please help, for math!!

2. [0/1.25 Points] DETAILS PREVIOUS ANSWERS LARPCALCLIMAGA8 5.5.012.MI. MY NOTES ASK YOUR TEACHER Use a graphing utility to approximate the solutions of the equation in the interval [0, 27). Find the exact solutions algebraically. (Enter your answers as a comma- separated list.) sin(2x) + cos(x) = 0 X X Need Help? Read It Watch It Master It 3. [0/1.25 Points] DETAILS PREVIOUS ANSWERS LARPCALCLIMAGA8 5.5.016. MY NOTES ASK YOUR TEACHER Solve the equation. (Find all solutions of the equation in the interval [0, 27). Enter your answers as a comma-separated list.) cos(2x) + sin(x) = 0 X X Need Help? Read It Watch It 13 PM