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Type: Multiple-Choice
Category: Trigonometry
Level: Grade 11
Standards: HSF-TF.C.9
Score: 1
Author: nsharp1
Created: 2 years ago

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Trigonometry Question

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Grade 11 Trigonometry CCSS: HSF-TF.C.9

What is the exact value of [math]cos(285°) ?[/math]
  1. [math]1/2 (1 - sqrt(2))[/math]
  2. [math]-1/4 (sqrt(6) - sqrt(2))[/math]
  3. [math]1/4 (sqrt(6)-sqrt(2))[/math]
  4. [math]1/4 (sqrt(2) + sqrt(6))[/math]
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