Detailed description
y = sin theta, points marked at (0, 0), (30, 0.5), (60, 0.87), (90, 1), (120, 0.87), (150, 0.5), (180, 0), (210, -0.5), (240, -0.87), (270, -1), (300, -0.87), (330, -0.5), (360, -0), range of graph from y = 1 to y = -1.
y = sin theta, points marked at (0, 0), (30, 0.5), (60, 0.87), (90, 1), (120, 0.87), (150, 0.5), (180, 0), (210, -0.5), (240, -0.87), (270, -1), (300, -0.87), (330, -0.5), (360, -0), range of graph from y = 1 to y = -1.