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130 cm 50 cm х ст 54. In the right-angled triangle above, not drawn to scale, Q = 90°, PQ = S0 cm, PR=130 cm and RQ = x cm. Tan PRQ = 50 (A) (B) 50 50 (C) 130 (D) 130

130 cm 50 cm х ст 54. In the right-angled triangle above, not drawn to scale, Q = 90°, PQ = S0 cm, PR=130 cm and RQ = x cm. Tan PRQ = 50 (A) (B) 50 50 (C) 130 (D) 130

Trigonometry (11th Edition)
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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Item 54 refers to the following diagram. P 130 cm 50 cm х ст In the right-angled triangle above, not drawn to scale, O = 90°, PQ = 50 cm, PR = 130 cm and 54. RQ = x cm. Tan PRQ = 50 (A) (B) 50 50 (C) 130 (D) 130 A plane is heading in a direction of 045° and changes course in a clockwise direction to135°. The angle through which the plane turns is 58. (A) 45° (B) 90° (C) 135° (D) 270° Item 59 refers to the diagram of the building below. A boy stands 12 metres from the foot of the building and observes the angle of elevation of the top of the building. 田田田 田田田 .12 m 9. The height of the building is approximately (A) 12 tan 40 (В) 1.6+12 sin 40 (C) 1.6+12 cos 40 (D) 1.6+12 tan 40 con 0
Transcribed Image Text:Item 54 refers to the following diagram. P 130 cm 50 cm х ст In the right-angled triangle above, not drawn to scale, O = 90°, PQ = 50 cm, PR = 130 cm and 54. RQ = x cm. Tan PRQ = 50 (A) (B) 50 50 (C) 130 (D) 130 A plane is heading in a direction of 045° and changes course in a clockwise direction to135°. The angle through which the plane turns is 58. (A) 45° (B) 90° (C) 135° (D) 270° Item 59 refers to the diagram of the building below. A boy stands 12 metres from the foot of the building and observes the angle of elevation of the top of the building. 田田田 田田田 .12 m 9. The height of the building is approximately (A) 12 tan 40 (В) 1.6+12 sin 40 (C) 1.6+12 cos 40 (D) 1.6+12 tan 40 con 0
Item 60 refers to the following diagram which shows a ladder 5 metres long leaning against a vertical wall. The foot of the ladder is 3 metres away from the wall. -3m-> How far up the wall does the ladder reach? (A) 4 m (В) (C) (D) 8 m 15 m Item 52 refers to the right-angled triangle below. 5 13 52. In the right-angled triangle, tan 0 is (A) 15 5 (В) 12 (C) (D)
Transcribed Image Text:Item 60 refers to the following diagram which shows a ladder 5 metres long leaning against a vertical wall. The foot of the ladder is 3 metres away from the wall. -3m-> How far up the wall does the ladder reach? (A) 4 m (В) (C) (D) 8 m 15 m Item 52 refers to the right-angled triangle below. 5 13 52. In the right-angled triangle, tan 0 is (A) 15 5 (В) 12 (C) (D)
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