8. What is cos(0.32)? a. 71.34° b. 18.66° c. 0.99° d. 0.01°
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°.
Related questions
Question
Transcribed Image Text:8. What is cos-¹ (0.32)?
a. 71.34°
b. 18.66°
c. 0.99°
d. 0.01°
9. The angle of elevation of the top of the building is 50°. If the observer is 90 m from the base of the building, how h
is the building?
a. 107.26 m
c. 68.94 m
b. 100.32 m
d. 57.85 m
10. Find the length of the other leg of this triangle.
a.
12 cm
c. 12√2 cm
b. 24 cm
d. 2√12 cm
0
12 cm
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