8) (Chapter 5.4) Use reference angles to find the exact values of the following trigonometric expressions. 30 15 60 90 sin VO 2 VI 2 V2 V3 V4 cos d V4 VS V2 VI VO 2 tan 8 V3 undefined a. cot 3 b. sec(-135 ) 9) (Chapter 5.4/5.5) Use the period of sine and cosine (coterminal angles) along with even/odd properties to solve the following trig functions. [Once the inside of the trig function is between 0 and 2n, you may use a table to get the final answer.] a. sec 17x b. csc --4) (Chapter 5.2) Find all six trig functions of 8 given the following triangle. Show all work and exact answers only. Be sure to rationalize all solutions. 6 5) (Chapter 5.2) Given that sec @ = -3 and cot @