Find the Exact Value of the Expression $$\cos ^ { - 1 } \left( - \frac { \sqrt { 3 } } { 2 } \right)$$

question 46

Multiple Choice

Find the exact value of the expression.
- $$\cos ^ { - 1 } \left( - \frac { \sqrt { 3 } } { 2 } \right)$$

• A) \(\frac { 5 \pi } { 6 }\)
• B) \(\frac { \pi } { 3 }\)
• C) \(\frac { \pi } { 6 }\)
• D) \(\frac { 2 \pi } { 3 }\)

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Definitions:

Micelle

An aggregate of surfactant molecules dispersed in a liquid colloid, forming a molecular assembly that can solubilize hydrophobic molecules in its hydrophobic core.

Hydrophobic

Characteristic of molecules or substances that do not readily mix with water.

Hydrophilic

Describes molecules or substances that are attracted to water and dissolve well in it.

Linoleic Acid

An essential polyunsaturated fatty acid belonging to the omega-6 fatty acid family, necessary for human health but cannot be synthesized by the human body.