B 40 m 30 In the triangle, not drawn to scale, angle BAC- 30° and AB=40 m. The length BC, in metres, is 57. (A) (B) 40 tan 30° (C) (D) 40 sin 30° 40 sin 60° 40 tan 60° 59. A plane is flying in a direction of 045° and changes course in a clockwise direction to 135°. The angle through which the plane turns is (A) (В) 45° 90° 135° 270°

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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Answer all the following plz
(C)
1.6+12 cos 40°
1.6+12 tan 40°
A boat was travelling on a bearing of 270°.
yhat direction was it travelling?
4th form term 3 hom...
52.
(A)
East
(B)
West
North
(C)
(D)
South
Item 57 refers to triangle ABC below.
40 m
30
In the triangle, not drawn to scale, angle
BAC- 30° and AB= 40 m. The length BC,
in metres, is
57.
(A)
40 sin 30°
(B)
(C)
(D)
40 tan 30°
40 sin 60°
40 tan 60°
A plane is flying in a direction of 045° and
changes course in a clockwise direction to
135°. The angle through which the plane
59.
turns is
45°
(A)
(В)
(C)
(D)
90°
135°
270°
Item 55 refers to triangle ABC below.
15 cm
x cm
Transcribed Image Text:(C) 1.6+12 cos 40° 1.6+12 tan 40° A boat was travelling on a bearing of 270°. yhat direction was it travelling? 4th form term 3 hom... 52. (A) East (B) West North (C) (D) South Item 57 refers to triangle ABC below. 40 m 30 In the triangle, not drawn to scale, angle BAC- 30° and AB= 40 m. The length BC, in metres, is 57. (A) 40 sin 30° (B) (C) (D) 40 tan 30° 40 sin 60° 40 tan 60° A plane is flying in a direction of 045° and changes course in a clockwise direction to 135°. The angle through which the plane 59. turns is 45° (A) (В) (C) (D) 90° 135° 270° Item 55 refers to triangle ABC below. 15 cm x cm
10:06
In the triangle, not drawn to scale, angle
BAC-30° and AB=40 m. The length BC,
in metres, is
4th form term 3 hom...
(B)
(C)
(D)
40 sin 60°
40 tan 60
A plane is flying in a direction of 045° and
changes course in a clockwise direction to
135°. The angle through which the plane
59.
turns is
45°
(А)
(В)
90°
(C)
135°
(D)
270°
Item 55 refers to triangle ABC below.
15 cm
x cm
17 сm
B
In the triangle ABC, not drawn to scale, AB
is 17 cm, AC is 15 cm, BC is x cm and angle
BCA is 90°. The value of x is
55.
(A)
(B)
(C)
(D)
8
9
12
Transcribed Image Text:10:06 In the triangle, not drawn to scale, angle BAC-30° and AB=40 m. The length BC, in metres, is 4th form term 3 hom... (B) (C) (D) 40 sin 60° 40 tan 60 A plane is flying in a direction of 045° and changes course in a clockwise direction to 135°. The angle through which the plane 59. turns is 45° (А) (В) 90° (C) 135° (D) 270° Item 55 refers to triangle ABC below. 15 cm x cm 17 сm B In the triangle ABC, not drawn to scale, AB is 17 cm, AC is 15 cm, BC is x cm and angle BCA is 90°. The value of x is 55. (A) (B) (C) (D) 8 9 12
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