1. straight lines that intersect a circle at two points
Usage: geometry
2. trigonometric functions equal to the reciprocal of cosine
Usage: mathematics

Examples

• The teacher drew several secants through the circle on the whiteboard.
• Two secants from an external point create equal angles with the circle.
• We calculated the secants of various angles in trigonometry class.
• The secant of 60 degrees equals 2.
• Secants are useful for solving certain geometric problems.
• The graph shows how secants approach the tangent line.