please help, need all the solutions for the equations

Use a graphing utility to approximate the solutions of the equation in the interval [0, 27t). Find the exact solutions algebraically. (Enter your answers as a comma-separated list.) sin(2x) + cos(x) = 0 71 11x X = 0, 51 7, 6' 6 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, 2n). Enter your answers as a comma-separated list.) cos(2x) + sin(x) = 0 X = X Need Help? Read It Watch It