Use the Figure Below to Find the Exact Value of the Given

question 29

Multiple Choice

Use the figure below to find the exact value of the given trigonometric expression.
$\cot \frac { x } { 2 }$

• A) \(\cot \frac { x } { 2 } = \frac { \sqrt { 2 } } { 10 }\)
• B) \(\cot \frac { x } { 2 } = \frac { 1 } { 7 }\)
• C) \(\cot \frac { x } { 2 } = 7\)
• D)\(\cot \frac { x } { 2 } = \frac { 7 \sqrt { 2 } } { 10 }\)
• E)\(\cot \frac { x } { 2 } = \frac { 7 } { 12 }\)

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Definitions:

Indicator Variable

A variable used in statistical analyses that adopts a value of 1 if a certain condition is true and 0 if false, often used to represent the presence or absence of a characteristic.

Dummy Variable

A variable used in regression analysis to represent subgroups of the sample in your study.

Nominal Independent Variable

A variable used in statistical analysis that represents categories without a natural order or ranking.

Indicator Variables

Binary variables that represent presence (1) or absence (0) of a characteristic.