TRIGONOMETRY/DISCRETE MATH CHAPTER 7 ASSIGNMENTS
#71: Pg 289-90 (1, 2, 3-19 odds, 22, 25, 29) #72: Pg 289-90 (4-20 evens, 26, 31, 34) #73: Pg 298 (5-29 odds) #74: Pg 298-99 (1-3, 12-30 evens, 31-35 odds) #75: Pg 305-6 (1-27 odds) #76: Pg 306-7 (8-24 evens, 31, 32, 37) #77: Pg 308 (39-45 odds, 49, 51) #78: Pg 326-27 (1-23 odds, 27, 29, 37)
[7.1] [7.1] [7.2] [7.2] [7.3] [7.3] [7.3] [rev]
Answers to questions not found in the back of the book: #71: 2) C, D 22) It does not apply because it is not a right triangle #72: 4) 10 2 6) b=34 cm c=21 cm 8) a=178 m b=244 m 10) a=28.1 m b=44.17 m 12) b=16.1 cm c=25.8 cm 14) BC=490’ AB=847’ 16) b=1.942 cm c=2.727 cm 18) a=955.4 yd b=2327 yd 20) a=22.04 mm b=37.5 mm 26) S=44°50’ RS=448 yd #74: 12) B=30° 14) A=72° or 107.8° 16) A=37°50’ 18) none 20) A=45.4° 22) A=25.5° 24) none 26) a=55°20’ or 124°40’ 28) B=30.29° 30) C=59.71° or 120.29° #76: 8) a=2.6 yd 10) a=43.7 km 12) c=348 ft 14) 4.276 mi 16)34.1 cm 18) C=125° 20) C=98° 22) C=108.1° 24) B=85.1° 32) A=36° Note: we did not give you all answers to all of the evens, but we gave you the first part of some so that you could figure out the rest of the triangles on your own.