Find the Exact Value $\sin \left( \frac { - 5 \pi } { 4 } \right)$

question 12

Multiple Choice

Find the exact value. $\sin \left( \frac { - 5 \pi } { 4 } \right)$

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

---

Definitions:

Substitutes Available

Products or services that can be used in place of one another, providing consumers with choices in the marketplace.

Elastic

Describes a situation in which the quantity demanded or supplied changes significantly in response to a change in price.

Demand

The desire of consumers, backed by the ability and readiness to purchase, for specific goods or services at a given time.

Downward-Sloping

A graphical representation indicating a decrease or decline in value or quantity when plotted against another variable, often used in economics to describe demand curves.