Write the Given Expression as the Sine of an Angle $\sin 45 ^ { \circ } \cos 55 ^ { \circ } - \sin 55 ^ { \circ } 45 ^ { \circ }$

question 45

Multiple Choice

Write the given expression as the sine of an angle. $\sin 45 ^ { \circ } \cos 55 ^ { \circ } - \sin 55 ^ { \circ } 45 ^ { \circ }$

• A) \(\sin \left( - 110 ^ { \circ } \right)\)
• B) \(\sin \left( - 10 ^ { \circ } \right)\)
• C) \(\sin \left( 100 ^ { \circ } \right)\)
• D) \(\sin \left( 45 ^ { \circ } \right)\)
• E) \(\sin \left( 55 ^ { \circ } \right)\)

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Definitions:

Normal Balance

The side (debit or credit) of an account that is usually increased, reflecting its normal financial balance.

Financial Statement

A certified summary of all financial dealings and the fiscal posture of a business entity, a private individual, or any other party.

Contra-Asset Accounts

Accounts on a balance sheet that have a balance opposite to the normal balance of an associated account, used to lower the value of the associated assets (e.g., accumulated depreciation).

Sales Discounts

A reduction in the price of goods or services sold, offered by the seller as an incentive to buyers.