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Problem 1: The sides and angles of a right-triangle are labeled in the drawing. While it is definitely a right triangle, do not assume that the side lengths and the angles are drawn to scale. Side length c and angle ß are the only given parameters, and the rest are unknowns. a B b a C

Problem 1: The sides and angles of a right-triangle are labeled in the drawing. While it is definitely a right triangle, do not assume that the side lengths and the angles are drawn to scale. Side length c and angle ß are the only given parameters, and the rest are unknowns. a B b a C

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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Problem 1: The sides and angles of a right-triangle are labeled in the drawing. While it is definitely a right triangle, do not assume that the side lengths and the angles are drawn to scale. Side length c and angle ß are the only given parameters, and the rest are unknowns. EX Part (a) Which of the following provides a simple relationship between c, B, and the unknown a? The sine function. cos(a) cotan(a) sin(B) tan(B) b Submit cos(B) (1) 7 8 9 ↑^^||4 5 6 sin(a) tan(a) * 1 2 3 π Part (b) Enter a simple expression that uses the relationship chosen in the previous step to solve for the unknown a in terms of the parameters given in the problem statement. a = c sin(B) с Hint / + 0 VO BACKSPACE - Feedback Part (c) Given c = 8.53 and ß = 26.4°, enter a numeric value for a. DEL HOME + END CLEAR a I give up! B b α C
Transcribed Image Text:Problem 1: The sides and angles of a right-triangle are labeled in the drawing. While it is definitely a right triangle, do not assume that the side lengths and the angles are drawn to scale. Side length c and angle ß are the only given parameters, and the rest are unknowns. EX Part (a) Which of the following provides a simple relationship between c, B, and the unknown a? The sine function. cos(a) cotan(a) sin(B) tan(B) b Submit cos(B) (1) 7 8 9 ↑^^||4 5 6 sin(a) tan(a) * 1 2 3 π Part (b) Enter a simple expression that uses the relationship chosen in the previous step to solve for the unknown a in terms of the parameters given in the problem statement. a = c sin(B) с Hint / + 0 VO BACKSPACE - Feedback Part (c) Given c = 8.53 and ß = 26.4°, enter a numeric value for a. DEL HOME + END CLEAR a I give up! B b α C
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