Answer:
b. secants
Step-by-step explanation:
A line that intersects a circle in two places is called a "secant."
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It is a tangent line if it intersects the circle in one point.
It is a diameter if it is a chord that goes through the center of the circle.
It is a chord if it is a line segment with each endpoint being on the circle. (BE and CD are chords.)
"Cosecant" is the name of the trigonometric function that is the ratio of the hypotenuse of a right triangle to the side opposite the angle of interest.
