2. Determine the other trigonometric ratios when cos 0 = for an angle 0 on a right triangle. Give an illustration of the triangle that represents this situation. 3. A water tower is located 325 ft from a building. From a window in the building, an observer notes that the angle of elevation to the top of the tower is 39° and that the angle of depression to the bottom of the tower is 25°. How tall is the tower? How high is the window?
2. Determine the other trigonometric ratios when cos 0 = for an angle 0 on a right triangle. Give an illustration of the triangle that represents this situation. 3. A water tower is located 325 ft from a building. From a window in the building, an observer notes that the angle of elevation to the top of the tower is 39° and that the angle of depression to the bottom of the tower is 25°. How tall is the tower? How high is the window?
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.1: Congruent Triangles
Problem 7E: In ABC, the midpoints of the sides are joined. a what does intuition suggest regarding the...
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Transcribed Image Text:12
2. Determine the other trigonometric ratios when cos 0 = for an angle 0 on a right triangle.
Give an illustration of the triangle that represents this situation.
3. A water tower is located 325 ft from a building. From a window in the building, an observer notes that the
angle of elevation to the top of the tower is 39° and that the angle of depression to the bottom of the tower is 25°.
How tall is the tower? How high is the window?
4. To estimate the height of a mountain above a level plain, the angle of elevation to the top of the mountain is
measured to be 32°. One thousand feet closer to the mountain along the plain, it is found that the angle of
elevation is 35°. Estimate the height of the mountain.
Transcribed Image Text:sin w
tan w
sin w + cos w 1+tanw
tan v – cot v
6.
= sin v cos v
tan? v – cot? v
5.
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