Matthew is riding a ferris wheel that makes a complete rotation every 18 seconds. The ferris wheel diameter is 12 m. At his lowest point on the wheel Matthew is 1 m off the ground. Initially Matthew is at the lowest point when the wheel starts to turn. a. Find either a SINE or COSINE function that describes Matt's height above the ground ( in meters) as a function of time( in seconds). (3 points) b. Calculate Matt's height above the ground in 25 seconds. (2 points)