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Which of the following is a Pythagorean identity?

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Question: Which of the following is a Pythagorean identity?

Options:

  1. sin²x + cos²x = 1
  2. tanx = sinx/cosx
  3. secx = 1/cosx
  4. cscx = 1/sinx

Correct Answer: sin²x + cos²x = 1

Solution: 

The Pythagorean identity is sin²x + cos²x = 1.

Which of the following is a Pythagorean identity?

Practice Questions

Q1
Which of the following is a Pythagorean identity?
  1. sin²x + cos²x = 1
  2. tanx = sinx/cosx
  3. secx = 1/cosx
  4. cscx = 1/sinx

Questions & Step-by-Step Solutions

Which of the following is a Pythagorean identity?
No concepts available.
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