Mathematics A-Level
trigonometric derivatives
What trigonometric derivatives means in Mathematics A-Level, as defined for WJEC.
Definition of trigonometric derivatives
Check what you remember
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Reference: WJEC
Differentiating sin kx gives k cos kx, cos kx gives −k sin kx, and tan kx gives k sec²kx.
Topics that use trigonometric derivatives
- Differentiation (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
Related terms
- algebraic simplification
- Chain rule
- compound angle expansion
- concave curves
- connected rates of change
- convex curves
- differential equations formulation
- differentiation from first principles
Using trigonometric derivatives in the exam
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