exact trigonometric values
What exact trigonometric values means in Mathematics A-Level, as defined for AQA, WJEC.
Definitions of exact trigonometric values
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Reference: WJEC
Values of sin and cos for 0, π/6, π/4, π/3, π/2, π and multiples thereof, and of tan for 0, π/6, π/4, π/3, π and multiples thereof.
Values following from the special triangles, such as sin π/6 = 1/2 and tan π/4 = 1, with tan π/2 undefined.
Topics that use exact trigonometric values
- E: Trigonometry (AQA A-Level)
- Trigonometry (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
Related terms
- harmonic form
- Radian
- Algebraic manipulation
- Amplitude
- Asymptote
- composite trigonometric arguments
- Derivation and manipulation of identities
- domain and range
Using exact trigonometric values in the exam
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