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.5 3. Here is another triangle similar to triangle DEF. If sin(A) 1 .5 a. Label the triangle D"E"F". b. What is the scale factor from triangle DEF to triangle D"E"F"? c. What are the coordinates of F"? Explain how you know. d. What are cos(D"), sin(D"), and tan(D")? Are you ready for more? Angles C and C' in triangles ABC and A'B'C' are right angles. = sin(A'), is that sufficient to show that AABC is similar to AA'B'C'? Explain your reasoning. 3

.5 3. Here is another triangle similar to triangle DEF. If sin(A) 1 .5 a. Label the triangle D"E"F". b. What is the scale factor from triangle DEF to triangle D"E"F"? c. What are the coordinates of F"? Explain how you know. d. What are cos(D"), sin(D"), and tan(D")? Are you ready for more? Angles C and C' in triangles ABC and A'B'C' are right angles. = sin(A'), is that sufficient to show that AABC is similar to AA'B'C'? Explain your reasoning. 3

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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.5 3. Here is another triangle similar to triangle DEF. If sin(A) 1 .5 a. Label the triangle D"E"F". b. What is the scale factor from triangle DEF to triangle D"E"F"? c. What are the coordinates of F"? Explain how you know. d. What are cos(D"), sin(D"), and tan(D")? Are you ready for more? Angles C and C' in triangles ABC and A'B'C' are right angles. = sin(A'), is that sufficient to show that AABC is similar to AA'B'C'? Explain your reasoning. 3
Transcribed Image Text:.5 3. Here is another triangle similar to triangle DEF. If sin(A) 1 .5 a. Label the triangle D"E"F". b. What is the scale factor from triangle DEF to triangle D"E"F"? c. What are the coordinates of F"? Explain how you know. d. What are cos(D"), sin(D"), and tan(D")? Are you ready for more? Angles C and C' in triangles ABC and A'B'C' are right angles. = sin(A'), is that sufficient to show that AABC is similar to AA'B'C'? Explain your reasoning. 3
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