University:
Bradley University
Course:
MTH 112 | Precalculus
Academic year:

2021
Views:

65

Pages:

6
Author:

Leilani Contreras

Electronic Homework Section 4.1 1. In right triangle BCD with right angle C, BC= 8 and BD=17. Use the information given to find tan D and sec D. A. tan D 15 ; 8 sec D 17 15 B. tan D 8 ; 15 sec D 17 15 C. tan D 8 ; 15 sec D 15 17 D. tan D 7 ; 15 sec D 17 8 E. tan D 24 ; 7 sec D 15 24 F. None of the above 2. Section 4.1 Problem 16 6 A. B. 2 6 4 3 C. 6 D. E. 4 F. None of the above 3. Section 4.1 Problem 36 A. sin T 7 ; 9 cos T 7 2 8 B. sin T 9 ; 7 cos T 9 2 8 C. sin T 7 ; 9 cos T 4 2 9 D. sin T 4 2 ; cos T 9 7 9 E. sinT 9 2 ; cosT 8 9 7 F. None of the above Section 4.1 Problem 44: Find x and csc E . 4. A. x = 44; csc E 44 7 B. x = 65; csc E 65 7 C. x= 22 ; csc E 11 7 D. x = 11 ; csc E 11 7 E. x= 65 ; csc E 65 7 F. None of the above 5. In triangle ABC, AC =24, the measure of angle A = 30q , and the measure of angle B = 45q . Find the area of this triangle. (Hint: Draw a picture and include the altitude from vertex C to the side AB.) A. 72 3 D. 24 1  3   B. 54 3 E. 36 1  3     C. 72 1  3 F. None of the above 6. Triangle ABC is an equilateral triangle with AC =8; find the area of this triangle. (Hint: Draw a picture and include the altitude and mark the measures of each angle.) A. 32 3 B. 8 3 C. 64 D. 32 E. 16 3 F. None of the above 7. Section 4.2 Problem 12 A. 7S , 6 3S , 2 7S 4 B. 5S , 6 3S , 2 5S 4 C. 7S , 6 3S , 2 5S 3 D. 7S , 6 S, 4S 3 E. 7S , 6 S, 7S 4 F. None of the above 8. Section 4.2 Problem 18 A. 40q, 70 q, 318q B. 20q, 140 q, 359 q C. 20q, 70 q, 265q D. 40q, 140 q, 636 q E. 20q, 70 q, 318q F. 9. None of the above Section 4.2 Problem 22 A. 13S 15 B. D. 35S 72 E. 37S 72 13S 17 C. F. 4S 17 None of the above 10. Section 4.2 Problem 38 A. 13S ft 4 B. 15S ft C. D. 30S ft E. 15 ft F. None of the above C. 20S in 11. 15S ft 2 Section 4.2 Problem 40 A. 125 S 2 in 9 B. D. 20 in E. 125 in 12. Section 4.2 Problem 48 A. 24 21S feet 4 B. 21S feet 4 C. 12 21S feet 4 D. 21S feet 12 E. 288 21S feet 12 F. None of the above 1 in 20 F. None of the above 13. Section 4.2 Problem 60 A. 60S cm B. 120 cm 2 C. 216 cm 2 2 D. 120S cm E. 10S cm 14. 2 2 F. None of the above Section 4.2 Problem 62 A. 4 feet 3 B. 2 feet 9 C. 4 feet 9 D. 8 feet 3 E. 2 feet 3 F. None of the above 15. Section 4.2 Problem 68 (a) and (b). A. 4S radians per second; 176S inches per second B. 8S radians per second; 44S inches per second C. 16S radians per second; 176S inches per second D. 4S radians per second; 88 S inches per second E. 8S radians per second; 88S inches per second F. None of the above

Electronic Homework 1 Sections 4.1-4.2

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