AAT Honors 2nd Semester Spiral Review Mrs. Iverson Name _____________________________ Date ______________ Period _________ Unit 3 Part A – Trig Part 1 #1-2: Use the diagram to the right to answer the following questions. 1. a) Find the value of sin A __________ 1a. __________ b) Find the value of tan A __________ C 1b. __________ c) Find the value of sec A __________ 2. Solve for A to the nearest degree. B 1c. __________ 10 8 A 2. ___________ #3 - 14 : Trig review. 3. Find x. 3. __________ 6 18° x 4. Convert 240 to radian measure. 5. Convert 9 radians to degree measure. 4 6. Give a positive & negative coterminal with a –50 angle in standard position. 4. ___________ 5. ___________ 6. ___________ ___________ 7. Given ABC with a = 18, b = 24, and C = 72, find the measure of c using the Law of Cosines. 7. ___________ 8. Given ABC, C = 50, b = 32, and c = 25, solve for B using Law of Sines. 8. ___________ 9. The Bermuda Triangle is a region of the Atlantic Ocean between Bermuda, Miami, Florida, and San Juan, Puerto Rico. It is an area where ships and airplanes have been rumored to mysteriously disappear. What is the distance between Miami & Bermuda? 9. ___________ 10. Find the exact value of tan 210. 10. __________ 11. Find the exact value of csc 12. If sin . 2 4 and is in Quadrant II, find cos . 5 11. __________ 12. __________ 13. Find the exact value of the six trig functions containing the point (-3, 5). 13. _________________________________________________________________________ 14. Find tan if cos 3 and 7 2 14. __________ #15 - 17: Angle of Elevation and Depression Application Problems. 15. Jim is going to climb a rock wall. Right now he is looking at the wall from a point 50 ft from the base of the wall. He measures the angle of elevation to the top of the tower to be 65 . How tall is the rock climbing wall? Round to the nearest tenth. 15. ______________________ 16. While in Chicago, Derrick Rose wants to know how far from the Sears Tower he is. He knows that the tower is 1,450 feet tall. The angle of elevation from where he is standing to the top of the tower is 60°. How far away is he? 16. ______________________ 17. A dog is looking at a cat in a tree. He is 20 feet away and the cat is 30 feet up in the tree. What is the angle of elevation he has to look up to see the cat? 17. ______________________ #18-20: Solve triangle ABC using the given measurements. Round measures of sides to the nearest tenth and measures of angles to the nearest degree. 18. B 49 , C 90 , a 9 A _____ b _____ c _____ A' _____ b ' _____ c ' _____ 19. a 16, b 7, c 12 A _____ B _____ C _____ A' _____ B ' _____ C ' _____ 20. A 42 , a 22, b 12 B _____ C _____ c _____ B' _____ C ' _____ c ' _____ #21 - 23: Application 21. Find the area of a triangle lot with two sides of lengths 90 meters and 52 meters and an included angle of 102 . 21. ______________________ 22. A surveyor is standing 50 feet from the base of a large tree. The surveyor measures the angle of elevation to the top of the tree as 71.5 . How tall is the tree? 22. ______________________ 23. You are 200 yards from a river. Rather than walking directly to the river, you walk 400 yards along a straight path to the river’s edge. Find the acute angle between this path and the river’s edge. (river’s edge) 23. ____________________ Unit 3 Part B – Trig Part 2 #24 - 26: Graph the following trig functions. 24. Sketch y 3tan( x ) 2 in the interval [0, 2 ]. 2 4 1. Curves = ________________ 4. TYP?= ________________ 2. Period = ________________ 5. I.L. = ________________ 3. M.P. = ________________ 6. V.T. = ________________ 7. K.P. = ________________ 25. Sketch two cycles of y 2sin(2 x) 3 . 1. Amp = ________________ 4. TYP?= ________________ 2. Period = ________________ 5. I.L. = ________________ 3. B.P. = ________________ 6. V.T. = ________________ 7. K.P. = __________________________ 26. Sketch one cycle of the function y csc( x 3 ) . 1. Amp = ________________ 4. TYP?= ________________ 2. Period = ________________ 5. I.L. = ________________ 3. B.P. = ________________ 6. V.T. = ________________ 7. K.P. = __________________________ Unit 3 Part C – Trig Part 3 #27-28: Simplify the given trig functions. 27. sin 2 cot 2 1- sin 2 28. sin 1- cos + 1- cos sin #29-30: Verify. tan 29. cos sec csc tan 2 1 30. sec2 tan 2 sin tan sec 1 # 30-31: Solve the trig function with the given constraint. 30. Solve the trig equation sin cos = sin for all values of in radians. 2 2 31. Solve the trig equation sin cos for all values of in degrees.