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Type: Multiple-Choice
Category: Trigonometry
Level: Grade 10
Standards: HSF-IF.B.4
Author: jjstanley
Last Modified: 7 years ago

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Trigonometry Question

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Grade 10 Trigonometry CCSS: HSF-IF.B.4

Given the domain -π<x<π, at what interval(s) is the function f(x)=2cos(x) negative?
  1. -34π<x<-14π,14π<x<34π
  2. -π<x<0
  3. -12π<x<12π
  4. -π<x<-12π,12π<x<π