Help please !
1. Find an angle in each quadrant with a common reference angle with 108°, from 0°≤θ<360°
2. Find all of the square roots of 9i and write the answers in rectangular (standard) form.
3.Find all angles, 0≤θ<360, that satisfy the equation below, to the nearest 10th of a degree.
sin(theta)=-4/7
4. Find all angles, 0≤θ<360, that satisfy the equation below, to the nearest 10th of a degree.
7sinxtanx-6tanx=0
5. One force of 8 pounds and one force of 6.5 pounds act on a body at the same point so that the resultant force is 9 pounds. Find the angle between the two original forces, to the nearest 10th of a degree.