Pythagorean Identities: Uses & Applications


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question 1 of 3

How many Pythagorean identities are there?

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1. What does sin^2 (x) + cos^2 (x) always equal?

2. Which theorem are the Pythagorean identities based on?

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About This Quiz & Worksheet

This quiz and worksheet will help gauge your understanding of applying Pythagorean identities. Topics on the quiz include calculating sine and cosine and right triangles.

Quiz & Worksheet Goals

These tools will measure your knowledge of the following:

  • Number of Pythagorean identities
  • Theorem upon which the Pythagorean identities is based
  • Using the Pythagorean identities to calculate given equations
  • Origin of the right triangle used in these Pythagorean identities

Skills practiced

This worksheet and quiz let you practice the following skills:

  • Critical thinking - apply relevant concepts to examine information about applying Pythagorean identities in a different light
  • Problem solving - use acquired knowledge to solve Pythagorean identities practice problems
  • Knowledge application - use your knowledge to identify the theorem upon which the Pythagorean identities is based

Additional Learning

To learn more, review the lesson Pythagorean Identities: Uses & Applications, which covers the following objectives:

  • Define Pythagorean identities
  • Recall the uses and application of the Pythagorean identities
  • Review examples of each identity