Find exact values or expressions for the six trigonometric functions of angle A. Do not use a calculator. B A 3 For the given triangle, which of the following ratios represents the trigonometric function sin A? BC AB O A. AB OB. AC BC AC O C. AC OD. AB AC AB O E. BC OF. BC Find the value of sin A. sin A =] (Type an integer or a simplified fraction.) For the given triangle, which of the following ratios represents the trigonometric function cos A? AB AC O A. OB. BC AB BC AC O C. AB OD. BC