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the cloud base. 60. Height of a Tree One hundred feet from the trunk of a tree on level ground, the angle of elevation of the top of the tree is 35°. Find the height of the tree to the nearest foot

the cloud base. 60. Height of a Tree One hundred feet from the trunk of a tree on level ground, the angle of elevation of the top of the tree is 35°. Find the height of the tree to the nearest foot

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.1: Verifying Trigonometric Identities
Problem 68E
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This was my answer for question 60 it was a negative. Please explain if I am right or wrong please
CASIO fx-115ES PLUS NATURAL-UPAM 35tan (100) SHIFT ALPHA SOLVE = CALC - +R √ 2nd ediion Math -198.4948637 (-) 0999 hyp STO % RCL ENG MODE SETUP ON x! X log x²³ DEC V HEX 10 BIN e OCT x² x log In A₁ FACTB₁ Abs C₂₁ sin¹ D₁ cos E tan F sin COS 9 X Y M- tan M S D M+ NO langles 46: Fina gle, Rou
Transcribed Image Text:CASIO fx-115ES PLUS NATURAL-UPAM 35tan (100) SHIFT ALPHA SOLVE = CALC - +R √ 2nd ediion Math -198.4948637 (-) 0999 hyp STO % RCL ENG MODE SETUP ON x! X log x²³ DEC V HEX 10 BIN e OCT x² x log In A₁ FACTB₁ Abs C₂₁ sin¹ D₁ cos E tan F sin COS 9 X Y M- tan M S D M+ NO langles 46: Fina gle, Rou
Cofun Exercises 55-58: (Refer to Example 10.) Write an equivalent expression using a cofunction. Approximate the expression to four decimal places using a calculator. 55. (a) sin 70° 56. (a) cot 23° 57. (a) csc 49° 58. (a) cot 87° (b) cos 40° (b) tan 48⁰ 1615312 (b) sec 63° (b) sec 72° diyos! Applications 59. Height of the Cloud Base (Refer to Example 3.) From a distance of 1500 feet from the spotlight, the angle of elevation equals 37°30'. Find the height of the cloud base. 60. Height of a Tree One hundred feet from the trunk of a tree on level ground, the angle of elevation of the top of the tree is 35°. Find the height of the tree to the nearest foot. 61. Length of a Shadow The angle of elevation of the sun is 34°. Find the length of a shadow cast by a per- son who is 5 feet 3 inches tall. Round your answer to the nearest tenth of a foot. 62. Height of a Tower The shadow of a vertical tower is 40.6 meters long when the angle of elevation of the sun is 34.6°. Find the height of the tower. 63. Angle of Depression of a Floodlight A company safety committee recommended that a floodlight be mounted in a parking lot as shown in the figure, s to illuminate the employee exit. Find h to the nearest so as tenth of a foot. 66. Ang feet a from far ho the tree 67. Height the stree ambuilding depressic of the figur a street. Upo TOTIS 68. Height top of buildin bottom high, fi
Transcribed Image Text:Cofun Exercises 55-58: (Refer to Example 10.) Write an equivalent expression using a cofunction. Approximate the expression to four decimal places using a calculator. 55. (a) sin 70° 56. (a) cot 23° 57. (a) csc 49° 58. (a) cot 87° (b) cos 40° (b) tan 48⁰ 1615312 (b) sec 63° (b) sec 72° diyos! Applications 59. Height of the Cloud Base (Refer to Example 3.) From a distance of 1500 feet from the spotlight, the angle of elevation equals 37°30'. Find the height of the cloud base. 60. Height of a Tree One hundred feet from the trunk of a tree on level ground, the angle of elevation of the top of the tree is 35°. Find the height of the tree to the nearest foot. 61. Length of a Shadow The angle of elevation of the sun is 34°. Find the length of a shadow cast by a per- son who is 5 feet 3 inches tall. Round your answer to the nearest tenth of a foot. 62. Height of a Tower The shadow of a vertical tower is 40.6 meters long when the angle of elevation of the sun is 34.6°. Find the height of the tower. 63. Angle of Depression of a Floodlight A company safety committee recommended that a floodlight be mounted in a parking lot as shown in the figure, s to illuminate the employee exit. Find h to the nearest so as tenth of a foot. 66. Ang feet a from far ho the tree 67. Height the stree ambuilding depressic of the figur a street. Upo TOTIS 68. Height top of buildin bottom high, fi
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