$$\text { The direction cosines of the vector } ( 4 \boldsymbol { i } - 8 \boldsymbol { j } + 7 \boldsymbol { k } ) \text { are: }$$

question 6

Multiple Choice

$$\text { The direction cosines of the vector } ( 4 \boldsymbol { i } - 8 \boldsymbol { j } + 7 \boldsymbol { k } ) \text { are: }$$

• A) \(( 0.35,0.81 , - 0.23 )\)
• B) \(( 0.52,0.48 , - 0.21 )\)
• C) \(( - 0.38,0.21 , - 0.26 )\)
• D) \(( 0.35 , - 0.70,0.62 )\)

---

Definitions:

Identical Twin

Another term for monozygotic twins, emphasizing their genetic sameness.

Extraversion

A personality trait characterized by high levels of sociability, energy, and activity levels; enjoys being around people and seeks stimulation in external activities.

Agreeableness

Characterized by a cooperative and harmonious disposition, valuing social harmony and being considerate of others.

Personality Development

The process by which an individual's personality traits, behaviors, and sense of identity evolve over time due to biological, environmental, and situational factors.