PartD- Application [APP- 12 marks]- 1. A softball pitcher winds up and spins her arm around before releasing the ball. The pitcher's shoulders are 1.35 m tall and arm is 0.36 m long. The pitcher can spin her arm 15 revolutions every 2 seconds and at t = 0 her hand is it its maximum height. a) Determine an sinusoidal equation to represent the height of the pitcher's hand. \"V\" b) Determine the height of the pitcher's hand at t = 0.1 seconds. (1/