Use the Half-Angle Formulas
- $\cos \frac { 5 \pi } { 12 }$

question 210

Multiple Choice

Use The Half-Angle Formulas
- $\cos \frac { 5 \pi } { 12 }$

• A) \(\frac { 1 } { 2 } \sqrt { 2 - \sqrt { 3 } }\)
• B) \(\frac { 1 } { 2 } \sqrt { 2 + \sqrt { 3 } }\)
• C) \(- \frac { 1 } { 2 } \sqrt { 2 + \sqrt { 3 } }\)
• D) \(- \frac { 1 } { 2 } \sqrt { 2 - \sqrt { 3 } }\)

---

Definitions:

Blood Types

The classification of human blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells, which includes A, B, AB, and O types.

Mendelian Genetics

The branch of genetics based on the principles of inheritance proposed by Gregor Mendel, explaining how traits are transmitted from parents to offspring.

Multiple Alleles

Inheritance pattern in which there are more than two alleles for a particular trait; each individual has only two of all possible alleles.

HERC2

A gene associated with the regulation of several proteins, notably impacting pigmentation and neurological functions.