Refer to the figure. Show that a + B = y, and find the numerical value of tan(y). J 0 0 0 = 0 3 Let LA and LB be the two angles shown in the figure. Then, Y+ A + B = α + A = B + B = A 180° 90°-90° = (y + A + B) − Find the numerical value of tan(y). tan(y) = Y B Subtracting the second and third equations from the first, we get 2 B 3

Refer to the figure. Show that a + B = y, and find the numerical value of tan(y). J 0 0 0 = 0 3 Let LA and LB be the two angles shown in the figure. Then, Y+ A + B = α + A = B + B = A 180° 90°-90° = (y + A + B) − Find the numerical value of tan(y). tan(y) = Y B Subtracting the second and third equations from the first, we get 2 B 3

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter6: The Trigonometric Functions

Section6.1: Angles

Problem 4E

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Albert lives in New Orleans. At noon on a summer day, the angle of elevation of the sun is 84. The window in Alberts room is 4.0 feet high and 6.5 feet wide. (Sec Figure 24.) a. Calculate the area of the floor surface in Alberts room that is illuminated by the sun when the angle of elevation of the sun is 84. b. One winter day the angle of elevation of the sun outside Alberts window is 37. Will the illuminated area of the floor in Alberts room be greater on the summer day, or on the winter day? Figure 24

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