Definition of "cosecant" []

• The reciprocal of the sine of an angle in a right triangle. (noun)
• The secant of the complement of a directed angle or arc. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Add together the secant of the Latitude, the cosecant of the P.D., the cosine of the Half Sum and the sine of the Difference (Table 44)."
• "After the creation of the universe, light speed declined following a curve approximating the curve of the cosecant squared."
• "On this topic, it isn't completely clear to me why we make kids memorize what the secant, cosecant, and cotangent are."