Using Graphs to Determine Trigonometric Identity


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question 1 of 3

If a trigonometric equation is a trigonometric identity, what will the graphs for each side of the equation show?

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1. What is a trigonometric identity?

2. Which of the following is an identity?

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About This Quiz & Worksheet

Evaluate how well you understand identities in a trigonometric equation with this quiz/worksheet combo. The questions will assess your understanding of concepts like values and variables.

Quiz & Worksheet Goals

Use these assessment tools to test your knowledge of the following:

  • Understand what graphs of each side of a trigonometric identity would show
  • Define a trigonometric identity
  • Define and identify identities
  • Know how many points are identical on two identical graphs

Skills Practiced

This worksheet and quiz let you practice the following skills:

  • Critical thinking - apply relevant concepts to examine information about the values of variables in a different light
  • Problem solving - use acquired knowledge to solve trigonometric identity practice problems
  • Defining key concepts - compare and contrast topics from the lesson, such as graphing the left and ride side of a trigonometric identity
  • Information recall - access the knowledge you've gained regarding the comparison of two graphs to see if they are identical

Additional Learning

To learn more about using graphs to determine trigonometric identity, review the lesson, which covers the following objectives:

  • Graphing equations
  • Determining trigonometric identities
  • Understanding what is always true for the value of variables
  • Calculating three points for each graph to see if the points are identical