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1. Part of a security fence is built 2.5 m from a cylindrical storage tank whose diameter is 11.2 m. What is the area between the tank and this part of the fence if the central angle of the fence is 75.5°?

1. Part of a security fence is built 2.5 m from a cylindrical storage tank whose diameter is 11.2 m. What is the area between the tank and this part of the fence if the central angle of the fence is 75.5°?

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 48E
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1. Part of a security fence is built 2.5 m from a cylindrical storage tank whose diameter is 11.2 m. What is the area between the tank and this part of the fence if the central angle of the fence is 75.5°? 2. The voltage and current of a network are as described below. Determine the phase relationship between them. v(t) = 2cos(@t – 75°) i(t) = -5sin(@t + 12°) 3. Find the cube root of the given complex number: y = (4- j3) i.e., find V(4 – j3)!. You may leave your answer in polar form.
Transcribed Image Text:1. Part of a security fence is built 2.5 m from a cylindrical storage tank whose diameter is 11.2 m. What is the area between the tank and this part of the fence if the central angle of the fence is 75.5°? 2. The voltage and current of a network are as described below. Determine the phase relationship between them. v(t) = 2cos(@t – 75°) i(t) = -5sin(@t + 12°) 3. Find the cube root of the given complex number: y = (4- j3) i.e., find V(4 – j3)!. You may leave your answer in polar form.
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