The Angle Between $4 \vec { i } + 2 \vec { k }$

question 63

True/False

The angle between $4 \vec { i } + 2 \vec { k }$ and $\vec { i } - 2 \vec { j } + 5 \vec { k }$ is less than $\pi$ /2.

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Definitions:

Stepfamily

A family formed after remarriage, including a biological parent, a stepparent, and the children of one or both parents.

Stepparent Role

The role assumed by an individual who is married to a person with children from a previous relationship, focusing on the care, nurturing, and support of these children.

Patricia Papernow

An expert in the field of blended families and stepfamily dynamics, known for her research and publications on the topic.

Co-Parent Family

A family structure where parents work together to raise their child or children, often despite being separated, divorced, or not living together.