Introducing Sec X
Introducing sec x
graph TB
A["Introducing sec x"]
A --> B["Definition"]
B --> C["sec x = 1/cos x"]
B --> D["Range: (-∞, -1] U [1, ∞)"]
A --> E["Properties"]
E --> F["sec(-x) = sec x"]
E --> G["sec(π - x) = -sec x"]
E --> H["sec(π + x) = -sec x"]
E --> I["sec(2π - x) = sec x"]
A --> J["Applications"]
J --> K["In Trigonometry"]
J --> L["In Calculus"]
