Mathematics A-Level
special angles
What special angles means in Mathematics A-Level, as defined for WJEC.
Definition of special angles
Check what you remember
Read the wording for your board, then hide it and explain special angles in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
The angles 0, π/6, π/4, π/3, π/2 and π for which exact values of sine, cosine and tangent are stated.
Topics that use special angles
- Trigonometry (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
Related terms
- composite trigonometric arguments
- domain and range
- double angle formulas
- exact trigonometric values
- harmonic form
- inverse trigonometric functions
- mixed angle equations
- power reduction identities
Using special angles in the exam
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