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cos θ =cosθ/csc θ, where θº ≤ θ < 360º, is shown below step one) cosθ=cosθ(1/cosθ) step two) 1=1/cscθ step three) cscθ =1 step four) cosθ=1 step five) θ = 0º,180º   question: which step is the first mistake?

cos θ =cosθ/csc θ, where θº ≤ θ < 360º, is shown below step one) cosθ=cosθ(1/cosθ) step two) 1=1/cscθ step three) cscθ =1 step four) cosθ=1 step five) θ = 0º,180º   question: which step is the first mistake?

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.1: Congruent Triangles
Problem 7E: In ABC, the midpoints of the sides are joined. a what does intuition suggest regarding the...
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an incorrect solution to the equation cos θ =cosθ/csc θ, where θº ≤ θ < 360º, is shown below

step one) cosθ=cosθ(1/cosθ)

step two) 1=1/cscθ

step three) cscθ =1

step four) cosθ=1

step five) θ = 0º,180º

 

question: which step is the first mistake?

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