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Trig Review Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Determine the exact value of a. . c. b. ____ ____ ____ ____ 2. d. is equivalent to which expression? a. c. b. d. 3. Which expression is a proper simplification of ? a. c. b. d. 4. Determine the value of a. 6 b. in the equation 5. Simplify the expression . c. d. 2 . a. b. ____ 6. Which expression is NOT equivalent to a. b. ____ 7. How many solutions does the equation a. 3 b. 4 c. d. ? c. d. have for c. 5 d. 6 ? ____ 8. If a ball travels around a circle of radius 4 m in 1.5 minutes, what is the angular speed of the ball? a. c. radians/s radians/s b. ____ d. radians/s radians/s 9. A man programs his sprinkler system using the equation 15 sin (kt), where t is in seconds. If he wants it to have a period of s, what should k be? a. c. b. d. ____ 10. What is the period of the function ? a. c. b. d. ____ 11. The temperature of a swimming pool is cyclic and modelled by a trigonometric function. If its highest temperature is 82 °F and its lowest temperature is 76 °F, and it takes 12 hours for the temperature to change between its extremes, what equation models the temperature of the pool as a function of time in hours? a. c. b. d. Trig Review Answer Section MULTIPLE CHOICE 1. ANS: OBJ: 2. ANS: OBJ: 3. ANS: OBJ: 4. ANS: 5. ANS: OBJ: 6. ANS: OBJ: 7. ANS: OBJ: 8. ANS: 9. ANS: OBJ: 10. ANS: OBJ: 11. ANS: OBJ: C PTS: 1 REF: Knowledge and Understanding 7.2 - Compound Angle Formulas A PTS: 1 REF: Knowledge and Understanding 7.2 - Compound Angle Formulas B PTS: 1 REF: Knowledge and Understanding 7.3 - Double Angle Formulas D PTS: 1 REF: Application OBJ: 7.3 - Double Angle Formulas A PTS: 1 REF: Application 7.4 - Proving Trigonometric Identities C PTS: 1 REF: Knowledge and Understanding 7.4 - Proving Trigonometric Identities B PTS: 1 REF: Thinking 7.5 - Solving Linear Trigonometric Equations A PTS: 1 REF: Thinking OBJ: 6.1 - Radian Measure A PTS: 1 REF: Application 6.4 - Transformations of Trigonometric Functions A PTS: 1 REF: Knowledge and Understanding 6.4 - Transformations of Trigonometric Functions A PTS: 1 REF: Thinking 6.6 - Modelling with Trigonometric Functions