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Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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4) When drawn in standard position, which of the following angles is coterminal with 55 degrees?
(1) 485
(3) 415
(2) 235
(4) -275
5) An angle 0 drawn in standard position terminates in the fourth quadrant. If sin 0 = -
which of the following is the value of cos 0
ź then
5'
Vio
(3)
5
(1)
(2)
V21
(4)
(2) .
6) If cot > 0 and cos <0, in which quadrant does angle A terminate?
(1) I
(2) II
(3) IV
(4) Ш
7) A 25-foot ladder is leaning on a building. The ladder rests on the building at 12 feet from
the ground. Find the angle the ladder makes with the ground, to the nearest degree.
(1) 61°
(2) 26°
(3) 29°
(4) 64°
Page
2 I 5
Transcribed Image Text:Open with - 4) When drawn in standard position, which of the following angles is coterminal with 55 degrees? (1) 485 (3) 415 (2) 235 (4) -275 5) An angle 0 drawn in standard position terminates in the fourth quadrant. If sin 0 = - which of the following is the value of cos 0 ź then 5' Vio (3) 5 (1) (2) V21 (4) (2) . 6) If cot > 0 and cos <0, in which quadrant does angle A terminate? (1) I (2) II (3) IV (4) Ш 7) A 25-foot ladder is leaning on a building. The ladder rests on the building at 12 feet from the ground. Find the angle the ladder makes with the ground, to the nearest degree. (1) 61° (2) 26° (3) 29° (4) 64° Page 2 I 5
Part I
Answer all questions in this part. Each correct answer will receive 2 credits. No partial credit will be allowed. For cach question, write the numeral prec
the word or expression that best completes the statement or answers the question. 16]
1) If the terminal side of angle 0 passes through the point (- 5,4), what is the
value of tan 0?
4
4
(3)
3
(4)
4
(1)
2) Find the exact value of cos(330)?
(1) -3
(3)
2
(2)
(4)
3) Point A lies on the unit circle shown below at an angle of 142 as shown in the diagram below.
Which of the following is the x-coordinate of point A?
(1) 0.62
(2) -0.62
142
(3) 0.79
(4) -0.79
(1,0)
op
Transcribed Image Text:Part I Answer all questions in this part. Each correct answer will receive 2 credits. No partial credit will be allowed. For cach question, write the numeral prec the word or expression that best completes the statement or answers the question. 16] 1) If the terminal side of angle 0 passes through the point (- 5,4), what is the value of tan 0? 4 4 (3) 3 (4) 4 (1) 2) Find the exact value of cos(330)? (1) -3 (3) 2 (2) (4) 3) Point A lies on the unit circle shown below at an angle of 142 as shown in the diagram below. Which of the following is the x-coordinate of point A? (1) 0.62 (2) -0.62 142 (3) 0.79 (4) -0.79 (1,0) op
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