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MAWhat is the sine function?
Imagine a unit circle and you start at the point (1,0). You then want to move anti-clockwise around the circle. Since the radius is always going to be 1, and let the angle between the radius and the x axis be theta, then the y coordinate is always going to be given as sin(theta). The sine curve shows how the y coordinate changes as we move along the circle. Follow @mathswithmuza for more!
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