Use a Sum or Difference Identity to Find the Exact $$\sin \frac { 7 \pi } { 12 }$$

question 69

Multiple Choice

Use a sum or difference identity to find the exact value.
- $$\sin \frac { 7 \pi } { 12 }$$

• A) \(\frac { 1 } { 2 }\)
• B) \(\frac { \sqrt { 6 } - \sqrt { 2 } } { 4 }\)
• C) \(\frac { \sqrt { 3 } + 1 } { 2 }\)
• D) \(\frac { \sqrt { 6 } + \sqrt { 2 } } { 4 }\)

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Definitions:

Ulnar Artery

The artery that runs along the side of the forearm that is closest to the body when in an anatomical position, supplying blood to the forearm and hand.

Major Arterial Vessel

A major arterial vessel is a large artery that carries oxygen-rich blood away from the heart to various parts of the body.

Aorta

The largest artery in the body, originating from the left ventricle of the heart and extending down to the abdomen, distributing oxygenated blood to the circulatory system.

Ligamentum Arteriosum

A small fibrous band that connects the pulmonary artery to the aorta, a remnant of the fetal circulation.