Be sure to read all directions carefully. All work must be shown to receive full credit. Good Luck!!! 4pts each Solve for all real solutions such that x is a radian value. Find solutions in [0, 25) . 1. 4cos x - 3 = 0 2. 2 cos 0 sin 0 = cos 0 3. 2 cos 3x + 1 = 0 4. sin20 = sin 0 + 1 - sin20