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A. Cosine B. Cosecant C. Secant D. Tan 2) What is the value of x in the given equation sin(38⁰) = ¹ A. 0.044 B. 8.619 C. 17.766 D. 22. r items 3 - 5.

A. Cosine B. Cosecant C. Secant D. Tan 2) What is the value of x in the given equation sin(38⁰) = ¹ A. 0.044 B. 8.619 C. 17.766 D. 22. r items 3 - 5.

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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Directions: Read each item carefully. Write the letter of your answer on a separate answer sheet. 1) It refers to the ratio of the opposite and adjacent sides of the given acute angle of a right triangle. A. Cosine B. Cosecant C. Secant D. Tangent 2) What is the value of x in the given equation sin(380) = ¹4? A. 0.044 B. 8.619 C. 17.766 D. 22.740 For items 3-5. An 18-foot high lamppost casts a shadow. If the angle of elevation from the tip of the shadow to the sun is 540, what is the length of the shadow? 3) Which of the following illustrations represents the problem? A. C. A 18 feet 54° 54° 18 feet 18 feet 4) Which of the following trigonometric ratios will solve the given problem? A. Cosine B. Secant C. Sine D. Tangent 5) How long is the shadow casted by the lamppost? A. 1.308 ft B. 13.078 ft C. 130.778 ft D. 1307.766 ft 23 B. 18 feet D.
Transcribed Image Text:Directions: Read each item carefully. Write the letter of your answer on a separate answer sheet. 1) It refers to the ratio of the opposite and adjacent sides of the given acute angle of a right triangle. A. Cosine B. Cosecant C. Secant D. Tangent 2) What is the value of x in the given equation sin(380) = ¹4? A. 0.044 B. 8.619 C. 17.766 D. 22.740 For items 3-5. An 18-foot high lamppost casts a shadow. If the angle of elevation from the tip of the shadow to the sun is 540, what is the length of the shadow? 3) Which of the following illustrations represents the problem? A. C. A 18 feet 54° 54° 18 feet 18 feet 4) Which of the following trigonometric ratios will solve the given problem? A. Cosine B. Secant C. Sine D. Tangent 5) How long is the shadow casted by the lamppost? A. 1.308 ft B. 13.078 ft C. 130.778 ft D. 1307.766 ft 23 B. 18 feet D.
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