The function magna Consider a straight line in positive x direction originating from point M where a circle of unit radius centred at the origin O of the Cartesian Coornite plane, cuts the positive axis. The distance x at a point L on this line from its initial point M is the argument of the function Magna. If from any point of this llne, there is drawn a straight line joining the point L with the origin O, (fig 1) the angle theta made by the line OP with the positive x-axis the required value of the function magna against its argument x. theta=mag(x). Figure (1) A line drawn perpendicularly to the x-axis from the point Q meeting it at Q’, will have the measure of the sine of the angle theta. Let QQ’ be denoted by y. Hence, y=sintheta ...
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