Express the Sum or Difference as a Product $\sin 75 ^ { \circ } + \sin 15 ^ { \circ }$

question 46

Multiple Choice

Express the sum or difference as a product.
- $\sin 75 ^ { \circ } + \sin 15 ^ { \circ }$

• A) \(\frac { \sqrt { 6 } } { 2 }\)
• B) \(\frac { \sqrt { 6 } } { 4 }\)
• C) \(\frac { \sqrt { 3 } } { 2 }\)
• D) \(- \frac { \sqrt { 6 } } { 2 }\)

Analyze investment distribution to optimize interest gains.

Employ mathematical reasoning to solve practical problems in pricing and markups.

Understand and implement calculations involving discounts, markups, and value assessment.

Apply concepts of ratios and proportions in business contexts such as advertising budget allocation.

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Definitions:

Entity Theory

A belief that abilities are fixed and innate, leading individuals to view their capabilities as static and unchangeable, as opposed to being developed through effort and practice.

Attachment Study

Research focused on the emotional bonds that form between individuals, particularly between infants and their primary caregivers, and the impact of these bonds on psychological development.

Strange Situation Test

A measurement technique designed by Ainsworth to assess the quality of an infant’s attachment to a caregiver. Infants (12 months or older) and their caregivers are brought to a room (the strange situation) where the child experiences a series of eight 3-minute episodes, each one introducing changes in the social situation, some of which are likely to be stressful, such as an episode when the mother leaves the baby with a stranger. The infant’s willingness to explore the toys and his reactions to his mother and the strangers are observed.

Attachment Interview

A method of assessment designed to evaluate and understand an individual's patterns of attachment based on their responses about close relationships.