Use Identities to Write the Expression as a Single Function $\sin \left( \frac { \pi } { 4 } - x \right)$

question 5

Multiple Choice

Use identities to write the expression as a single function of x or θ.
- $\sin \left( \frac { \pi } { 4 } - x \right)$

• A) \(\frac { \sqrt { 2 } } { 2 } \cos x - \frac { \sqrt { 2 } } { 2 } \sin x\)
• B) \(\frac { \sqrt { 2 } } { 2 } \cos x + \frac { \sqrt { 2 } } { 2 } \sin x\)
• C) \(- \cos x\)
• D) \(\sin x\)

Recognize the significance of the production possibilities frontier (PPF) in illustrating economic efficiency and trade-offs.

Differentiate between exports and imports and their roles in international trade.

Identify the historical foundations of modern economic thought related to trade and specialization.

Understand the conditions under which trade can be beneficial or detrimental to individuals or countries.

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