Lesson 4.2 Using Period to Evaluate Sine and Cosine In Exercises 31-36, evaluate the trigonometric function using its period as an aid. 31. sin 47 Using the Value of a Function In Exercises 37-42, use the given value to evaluate each function. 37. sin t = (a) sin(-1) (b) csc(-1) Page 2 of 3 2022-2023Lesson 4.3 Evaluating Trigonometric Functions . In Exercises 510, find the exact values of the six trigonometric functions of the angle 5. a; Finding Special Angles of a Triangle In Exercises 53-58, nd each value of 19 in degrees (0