Imagine a bug sitting on the end of a fan blade as the blade

Imagine a bug sitting on the end of a fan blade as the blade revolves in a counter-clockwise direction. The bug is exactly 12 niches from the center of the fan and is at the 3 o\'clock position as the blade begins to turn. As the bug rotates from the 3 o\'clock position to the 12 o\'clock position, his vertical distance above the horizontal diameter changes from radius lengths. radius lengths to As the bug rotates from the 12 o\'clock position to the 9 o\'clock position, his vertical distance above the horizontal diameter changes from radius lengths radius lengths to As the bug rotates from the 9 o\'clock position to the 6 o\'clock position, his vertical distance above the horizontal diameter changes from radius lengths. radius lengths to As the bug rotates from the 6 o\'clock position to the 3 o\'clock position, his vertical distance above the horizontal diameter changes from radius lengths. tob radius lengths

Solution

a.   from 0 radius lengths to 1 radius lengths.

b.   from 1 radius lengths to 0 radius lengths.

c.   from 0 radius lengths to -1 radius lengths.

d.   from -1radius lengths to 0 radius lengths