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Type: Multiple-Choice
Category: Trigonometry
Level: Grade 11
Tags: trigonometry identities
Author: nsharp1
Created: 3 years ago

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Trigonometry Question

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Grade 11 Trigonometry

Which expression is equivalent to 1cos2θ-1?
  1. csc2θ
  2. -csc2θ
  3. sin2θ
  4. -sin2θ