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Name: _______________________________ Date: _______________________________ #: ______ 4-2 Practice 8 - Open Note Quiz Name: Period: Date: Hi friends, I’m so sorry that I am not in class today! But I have left this packet for you to continue practicing with Trig Functions and demonstrate mastery on this standard. This assignment will count as a quiz grade so Practice Worksheet: Right Triangle Trigonometry be sure to complete it correctly. Please work independently and turn this in to your periods EXIT TICKET folder before leaving class. DO NOT TAKE THIS HOME! Find the exact value of the trig ratio for Simplify all radicals and rationalize denominators if needed. 1. Find 2. Find 3. Find Label the sketch and solve right ABC using the given info. Round answers to two decimals. 5. 6. 4. Triangle Sum Thm. to find missing angle: Triangle Sum Thm. to find missing angle: Trig ratio to find missing side: Trig ratio to find missing side: Pythagorean Thm. to find last side: Inverse trig function to find missing angle: Pythagorean Thm. to find last side: Pythagorean Thm. to find last side: Triangle Sum Thm. to find missing angle: Label the sketch with the given information. Use your sketch to write ONE equation to find the missing value indicated. Solve that equation, showing all work. Round to two decimal places where needed. 8. Given 7. Given 9. Given 10. Given 11. Given 12. Given 13. Given 14. Given 15. A ladder leaning against a house makes an angle of with the ground. The foot of the ladder is 7 feet from the foot of the house. How long is the ladder? Show all work and label the sketch. 16. Find the length across the suspension bridge. Show all work.