Sec

Secant, the reciprocal of Cos.

DLMF4.14.E6↗FungrimSec↗Wolfram LanguageSec✓↗

Sec(x)the secant of x, .

Domain: Elementary functions

Details

• .
• Even function, period , same as Cos.
• Undefined wherever , the same poles as Tan.

Examples

See also: Cos, Csc, Cot