.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

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter6: The Trigonometric Functions

Section6.1: Angles

Problem 3E

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Similar questions

In ABC, the midpoints of the sides are joined. a what does intuition suggest regarding the relationship between AED and FDE? We will prove this relationship later. b what does intuition suggest regarding AED and EBF.
Use the information given in Figure 1 to find x, h, s, and r if y=3. (Note: s is the distance from A to D. and y is the distance from D to B .)
Given: XYZ with angles as shown in the drawing Find: XY HINT: Compare this drawing to the one for Exercise 20.

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