# TRIGONOMETRY GLOSSARY

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Title Description
Vector Often represented with an arrow, a Vector is a quantity with both magnitude (size) and direction.
Verify To confirm is to Verify.
When we Verify, we prove or establish some assertion to a dependable conclusion independent from bias.
There is wisdom in these words: "Trust, but Verify."
Vertex A "corner" of a polygon is a Vertex; an extremum of a conic section is a Vertex; the endpoint(s) of rays that form an angle is a Vertex.
Vertical Straight up, perpendicular to horizontal, is Vertical.
Vertical lines have an indeterminate or infinite slope.
Vertical Angles When two lines cross (intersect) they form two pairs of Vertical Angles; the Angles within each pair of Vertical Angles are congruent.

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