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If sin C = 0.8, what is the value of cos C?

Practice Questions

1 question
Q1
If sin C = 0.8, what is the value of cos C?
  1. 0.6
  2. 0.8
  3. 0.4
  4. 0.2

Questions & Step-by-step Solutions

1 item
Q
Q: If sin C = 0.8, what is the value of cos C?
Solution: Using the Pythagorean identity, cos C = √(1 - sin²C) = √(1 - 0.8²) = √(1 - 0.64) = √(0.36) = 0.6.
Steps: 0

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