Use Identities to Find the Exact Value $\tan \left( - 15 ^ { \circ } \right)$

question 175

Multiple Choice

Use Identities to find the exact value.
- $\tan \left( - 15 ^ { \circ } \right)$

• A) \(\frac { \sqrt { 3 } - 4 } { 2 }\)
• B) \(\sqrt { 3 } - 2\)
• C) \(\frac { \sqrt { 3 } + 4 } { 2 }\)
• D) \(- \sqrt { 3 } + 2\)

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Definitions:

Ventilation

The process of moving air in and out of the lungs, facilitating the exchange of oxygen and carbon dioxide.

Primary Bronchus

The major airway in the lung that branches from the trachea to each lung, conducting air into the lung's lobes.

Trachea

The windpipe, a tube connecting the larynx to the bronchi, allowing the passage of air to the lungs.

Ciliated Epithelium

A type of epithelial tissue with surface cells bearing cilia, which help in moving particles or fluid over the epithelial surface.