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MI 4 Trig Quiz 1 Name __________________ Show your work clearly to receive full credit: Solve each triangle. That is, find all missing angles and sides. If there are two solutions, be sure to indicate which sides and angles go together to form each triangle. To help visualize the situation, you may want to draw a figure. Round final answers to one decimal place. 1. In QRS , mQ 53.1 , q 160, and r 170 2. In ABC , mA 35 , a 13, and c 9 . 3. Solve (round answers to 2 decimal places e.g. 3.14 : sin(3x ) .7 for x for 2 x MI 4 4. Trig Quiz 1 Name __________________ Elise wishes to measure the distance across the crocodile infested swamp behind IMSA. Since she cannot drive across the swamp, she takes Dr Keyton’s golf cart and drives toward one end. As she faces the swamp, she turns and drives 4.3 km across land. After turning 43o counterclockwise, she travels 15.7 km. Then she turns 55o counterclockwise and travels an additional 3.3 km, at which time she arrives at a point at the opposite end of the swamp, directly across from where she started. How wide is the swamp? 3.3 4.3 15.7 43 55 o o 5. Simplify each of the following. Your final answer should be exact and should not involve a trig function. a. cos1 (cos( )) b. cos 1 cos 13 15 c. cos 1 cos 13 MI 4 Trig Quiz 1 Name __________________