Year 11 Mathematics Advanced / Trigonometric Identities and Equations

Reciprocal Trigonometric Ratios

Define sec θ = 1/cos θ, csc θ = 1/sin θ, and cot θ = cos θ/sin θ; evaluate exact values at special angles; use the Pythagorean identities sec²θ = 1 + tan²θ and csc²θ = 1 + cot²θ.

Syllabus area

Trigonometric functions

Focus

Trigonometric identities and equations

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Nova Maths

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