1. A 6-foot spruce tree is planted 15 feet from a lighted streetlight whose lamp is 18 feet above the ground. How many feet long is the shadow of that tree? 18 15

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 65E
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1. A 6-foot spruce tree is planted 15 feet from a lighted streetlight whose lamp is 18
feet above the ground. How many feet long is the shadow of that tree?
18
6
?
15
NTIL
TIA
2. Prove the identity: (1+ cot A - csc A)(1+ tan A + sec A) = 2
DIFICAT
Transcribed Image Text:1. A 6-foot spruce tree is planted 15 feet from a lighted streetlight whose lamp is 18 feet above the ground. How many feet long is the shadow of that tree? 18 6 ? 15 NTIL TIA 2. Prove the identity: (1+ cot A - csc A)(1+ tan A + sec A) = 2 DIFICAT
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