Use a Sum or Difference Identity to Find the Exact $\sin \left( - \frac { 5 \pi } { 12 } \right)$

question 423

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\sin \left( - \frac { 5 \pi } { 12 } \right)$

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

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Definitions:

Megasporangia

Structures in plants that produce megaspores, which develop into female gametophytes.

Antheridia

Male reproductive structures in plants, algae, and fungi that produce and release sperm.

Integuments

Layers or coverings of an organism or organ, serving to protect or enclose, especially the outer layer of seeds or the skin of humans and animals.

Megasporangium

A plant structure that produces megaspores, which develop into female gametophytes in seed plants and certain ferns.