Find the Exact Value of the Given Expression Using a Sum

question 244

Multiple Choice

Find the exact value of the given expression using a sum or difference formula. $\sin 285 ^ { \circ }$

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

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Definitions:

Spot Rate

The existing market cost at which a certain asset is offered for buy or sell, ensuring immediate delivery.

Absolute Purchasing Power Parity

An economic theory that states the price of a good in one country should equal the price of the same good in another country when exchanged at the current exchange rate.

Halifax

A city in the Canadian province of Nova Scotia, often not directly related to financial terms unless specifying a financial institution or geographic economic analysis.

Currency

Currency refers to money in any form when in use or circulation as a medium of exchange, especially circulating banknotes and coins.