-IE \n ^ EG- … F H .V \L Trigonometria Britanmca. at € A B. Moreover, from the point B, let fall the perpendicular B E, which fhaJI bi-feft C H.And with the Radius B E defcribe the periphery MEL. Therefore (hall C E be the tangentofhalfethe fumrne of theoppofite angles, andDE (which is equal to F E) the tangent…
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