6. From a window half way up the smaller building, the angle of elevation to the top of the larger building is 40°. The angle of depression to the bottom of the building is 30°. If the window is 26m above the ground, how high is the larger building? Label the triangle and add all relevant values from the question. opp adj opp SinA SinB SinC Sin= Cos = Tan = a² = b² + c² - -2bcCosA Hyp Hyp adj a b C a b C b² + c² - a² a²+b²=c² CosA = SinA SinB SinC 2bc
6. From a window half way up the smaller building, the angle of elevation to the top of the larger building is 40°. The angle of depression to the bottom of the building is 30°. If the window is 26m above the ground, how high is the larger building? Label the triangle and add all relevant values from the question. opp adj opp SinA SinB SinC Sin= Cos = Tan = a² = b² + c² - -2bcCosA Hyp Hyp adj a b C a b C b² + c² - a² a²+b²=c² CosA = SinA SinB SinC 2bc
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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