Mathematics A-Level
Secant, cosecant and cotangent
What Secant, cosecant and cotangent means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Secant, cosecant and cotangent
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Reference: Pearson Edexcel
Reciprocal trigonometric functions defined by sec θ = 1/cos θ, cosec θ = 1/sin θ and cot θ = 1/tan θ = cos θ/sin θ.
Topics that use Secant, cosecant and cotangent
- Trigonometry (Pearson Edexcel A-Level)
Related terms
- Arcsin, arccos and arctan
- area of a triangle
- Asymptotes
- Domain
- Domains of reciprocal functions
- Equations involving multiples of the unknown angle
- Exact values
- Fundamental trigonometric identities
Using Secant, cosecant and cotangent in the exam
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