1. If sec(α)=25.2/19.4, then what is the value of cos(α)? A: 16.1/19.4 B: 19.4/25.2 C: 16.1/25.2 D: 25.2/19.4
1. If sec(α)=25.2/19.4, then what is the value of cos(α)? A: 16.1/19.4 B: 19.4/25.2 C: 16.1/25.2 D: 25.2/19.4
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 41E
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Question
1. If sec(α)=25.2/19.4, then what is the value of cos(α)?
A: 16.1/19.4
B: 19.4/25.2
C: 16.1/25.2
D: 25.2/19.4
2:
In a right triangle , the side opposite angle θ has a length of 80 inches, the side adjacent to angle θ has a length of 84 inches, and the hypotenuse has a length of 116 inches. What is the value of tan(θ)?
0.952
|
|
1.050
|
|
0.690
|
|
0.724
|
3:
In a right triangle, angle φ has a tangent value 1.40. The side adjacent to angle φ has a length of 9.0 inches. What is the length of the side opposite angle φ?
12.6 inches
|
|
9.1 inches
|
|
54.4 inches
|
|
6.4 inches
|
4:
In a right triangle, angle λ has a measure of 19º. If the hypotenuse of this right triangle has a measure of 24 feet, what is the measure of the side adjacent to angle λ?
19.4 feet
|
|
7.8 feet
|
|
8.3 feet
|
|
22.7 feet
|
5:
In a right triangle, the side opposite angle α has a length of 11.1 feet, the side adjacent to angle α has a length of 13.4 feet, and the hypotenuse has a length of 17.4 feet. What is the value of cos(α)?
0.770
|
|
0.638
|
|
0.828
|
|
1.299
|
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