Complete the Sentence So the Result Is an Identity $$ـــــــ+ \tan ^ { 2 } x = \sec ^ { 2 } x$$

question 227

Multiple Choice

Complete the sentence so the result is an identity. Let x be any real number.
- $$ـــــــ+ \tan ^ { 2 } x = \sec ^ { 2 } x$$

• A) \(\sin ^ { 2 } x\)
• B) \(\cos ^ { 2 } x\)
• C) 1
• D) \(- 1\)

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Definitions:

Accounted Variance

The portion of the total variance in a set of data that is explained by a statistical model or variable.

Correlation

A statistical measure that indicates the extent to which two variables fluctuate together, showing whether and how strongly pairs of variables are related.

Variance Accounted

The proportion of total variation in a dataset that is explained by a statistical model.

Correlation

A statistical measure that expresses the extent to which two variables change together; indicating the strength and direction of a relationship.