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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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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