Use Sum and Difference Formulas for Cosines and Sines
- $\cos 15 ^ { \circ } \cos 45 ^ { \circ } - \sin 15 ^ { \circ } \sin 45 ^ { \circ }$

question 32

Multiple Choice

Use Sum and Difference Formulas for Cosines and Sines
- $\cos 15 ^ { \circ } \cos 45 ^ { \circ } - \sin 15 ^ { \circ } \sin 45 ^ { \circ }$

• A) \(\frac { 1 } { 2 }\)
• B) \(\frac { \sqrt { 3 } } { 2 }\)
• C) \(\frac { 1 } { 4 }\)
• D) \(\sqrt { 3 }\)

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Definitions:

Custody

A court-mandated ruling regarding which divorced parent will have the primary responsibility for the children’s upbringing.

Separation Agreement

A legal document that outlines the terms of a separation between married or common-law partners, detailing arrangements such as asset division, child custody, and support payments.

Child Support

Financial contributions required by law to be made by a non-custodial parent to support their minor children.

Economic Well-Being

refers to the overall financial health of an individual, community, or nation, measured by factors such as income, employment, and access to resources.