The unit circle is an essential concept in mathematics, particularly in trigonometry. Understanding the unit circle makes it easier to grasp the foundation of many concepts, such as angles, sine, ...
To find the equation of a circle when you know the radius and centre, use the formula \({(x - a)^2} + {(y - b)^2} = {r^2}\), where \((a,b)\) represents the centre of the circle, and \(r\) is the ...
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