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Questions and Answers
What symbol is sometimes used to indicate identities instead of the equals sign?
What symbol is sometimes used to indicate identities instead of the equals sign?
- -
- ≡ (correct)
- =
- +
Which of the following best describes a mathematical identity?
Which of the following best describes a mathematical identity?
- An equality that holds true for all values of the variables within a certain range of validity (correct)
- A function that is defined differently for different values of the variables
- An inequality that relates two mathematical expressions
- An equation that is true for only specific values of the variables
Which type of identity involves functions that are differently defined but produce the same value?
Which type of identity involves functions that are differently defined but produce the same value?
- Trigonometric identities (correct)
- Algebraic identities
- Geometric identities
- Identity involving side lengths of a triangle
What are trigonometric identities distinct from?
What are trigonometric identities distinct from?
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Which type of identity can be useful in simplifying algebraic expressions and expanding them?
Which type of identity can be useful in simplifying algebraic expressions and expanding them?
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