Reciprocal functions and angle units
Reciprocal functions and angle units
Trig functions may use degrees or radians. If an interval contains π\piπ, use radians, but if it uses 180∘180^\circ180∘ or 360∘360^\circ360∘, use degrees.
Reciprocal functions and angle units
Reciprocal functions and angle units
Trig functions may use degrees or radians. If an interval contains π\piπ, use radians, but if it uses 180∘180^\circ180∘ or 360∘360^\circ360∘, use degrees.
Step-by-step lessons covering Edexcel A Level Maths Trigonometric Functions for A Level Maths. Each lesson breaks down 6.1 Secant, Cosecant and Cotangent, 6.2 Graphs of Sec x, Cosec x and Cot x, 6.3 Using Sec x, Cosec x and Cot x, 6.4 Trigonometric Identities, and 6.5 Inverse Trigonometric Functions, then works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Build fluency with the core pure algebra and calculus toolkit early, since almost every mechanics and statistics topic on the course depends on it.