Mathematics A-Level
Arcsin, arccos and arctan
What Arcsin, arccos and arctan means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Arcsin, arccos and arctan
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Reference: Pearson Edexcel
Inverse trigonometric functions that return an angle for a given ratio, restricted to principal ranges because sine and cosine are periodic.
Topics that use Arcsin, arccos and arctan
- Trigonometry (Pearson Edexcel A-Level)
Related terms
- area of a triangle
- Asymptotes
- Domain
- Domains of reciprocal functions
- Equations involving multiples of the unknown angle
- Exact values
- Fundamental trigonometric identities
- Geometrical proofs
Using Arcsin, arccos and arctan in the exam
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