Use Identities to Find the Exact Value $\sin \left( - \frac { 5 \pi } { 12 } \right)$

question 9

Multiple Choice

Use Identities 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:

Marginal Utility

The extra pleasure or advantage obtained when consuming an additional unit of a product or service.

Utility Schedule

A table showing the different levels of satisfaction (utility) a consumer gets from consuming varying quantities of a good or service.

Utility Schedule

A representation that shows various quantities of a commodity or service and the utility or satisfaction derived from each.

Marginal Utility

The augmented satisfaction or value derived from the consumption of one extra unit of a product or service.