A right triangle with an angle is shown in the figure. (a) Label the "opposite" and "adjacent" sides of e and the hypotenuse of the triangle. opposite adjacent hypotenuse opposite adjacent hypotenuse opposite adjacent hypotenuse are defined as follows. (b) The trigonometric functions of the angle sin(O) = --Select- ---Select- cos(O) = -Select- tan(0) - ---Select- -Select-- --Select-