The value of θ, where 180º ≤ θ ≤ 360º, in the equation 2cos2θ + cosθ =0 would be? i) θ = 90º, 120º ii)θ = 90º, 120º, 240º 270º iii)θ = 240º, 270º iv)θ = 60º, 90º, 270º ,300º
The value of θ, where 180º ≤ θ ≤ 360º, in the equation 2cos2θ + cosθ =0 would be? i) θ = 90º, 120º ii)θ = 90º, 120º, 240º 270º iii)θ = 240º, 270º iv)θ = 60º, 90º, 270º ,300º
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter38: Achievement Review—section Three
Section: Chapter Questions
Problem 2AR: Holes are to be drilled in the length of angle iron as shown in Figure 38-1. What is thedistance...
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The value of θ, where 180º ≤ θ ≤ 360º, in the equation 2cos2θ + cosθ =0 would be?
i) θ = 90º, 120º
ii)θ = 90º, 120º, 240º 270º
iii)θ = 240º, 270º
iv)θ = 60º, 90º, 270º ,300º
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