Use Addition or Subtraction Formulas to Find the Exact Value $\sin \left( \frac { \pi } { 12 } \right)$

question 11

Essay

Use addition or subtraction formulas to find the exact value of $\sin \left( \frac { \pi } { 12 } \right)$ .

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Definitions:

Skull

The bone structure that forms the head, housing and protecting the brain and supporting the structures of the face.

Depressed

A mood disorder manifesting in feelings of severe despondency and dejection, often with feelings of inadequacy and guilt.

Ligament

Fibrous tissue that connects bone to bone.

Connective Tissue

Tissue that supports, binds together, or separates other tissues or organs in the body.