Solving Trig Equations on Different Intervals

Solve: 4sinθ + 1 = 3 State all solutions in the interval [0, 2π)

• π/ 6, 7π/6

• π/6, 5π/ 6

• 5π/6, 7π/6

• 7π/6, 11π/6

Solve: \(2\sqrt{3}\sec\theta\ +\ 4\ =\ 0\)
State all solutions in the interval [0, 2π)

• π /3,  2π/3

• 2π /3,  4π/3

• π /6,  5π/6

• 5π /6,  7π/6

Solve: 4sin²x = 3 State all solutions in the interval [0, 2π)

• π/6, 11π/6

• π/3, 2π/3

• π/6, 5π/6, 7π/6, 11π/6

• π/3, 2π/3, 4π/3, 5π/3

With reference to Qn 3, what is/are the solution(s) for