Unit Circle Chart Trig Functions. For a given angle θ each ratio stays the. It is called the unit circle since its radius is 1.
Angle in standard position. Sin 1 y qy 1 csc y q cos 1 x qx 1 sec x. These cyclic natures of the sine.
Deduce the sign - 0 of a trig function for any given angle.
Thus sin tn t 2π sin and cos cos tn t 2π for any integer n multiple of 2π. For a given angle θ each ratio stays the. Use the triangle below to find the x- any y-coordinates of the point of intersection of the terminal side and the circle. Jul 01 2018 So if plotted on a unit circle the basic trig functions are.