QCE Together Year 12 Maths Methods: Differentiation of Trigonometric Functions

#### Maths Methods

• The Logarithmic Function 2
• Further Differentiation and Applications 2
• Integrals
• Further Differentiation and Applications 3
• Trigonometric Functions 2
• Discrete Random Variables 2
• Continuous Random Variables and the Normal Distribution
• Interval Estimates for Proportions
• Back to other subjects
Back to other subjects

# Differentiation of Trigonometric Functions

In this post, we establish the formulas of the differentiation of trigonometric formulas, \frac{d}{dx} sin(x) = cos(x) , and \frac{d}{dx} cos(x) = -sin(x) by numerical estimations of the limits and informal proofs based on geometric constructions. This syllabus dot point is a part of the QCE Maths Methods course under the topic Further Differentiation and Applications 2 and sub-part Calculus of Trigonometric Functions, specifically differentiation of trigonometric functions.

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