This video introduces tangents to a curve. This is slightly more complicated than calculating the gradient of a straight line. It involves the same method of calculating the gradient of a straight line but with an extra step.

Sometimes you need to work out the slope at a particular point on a curve:
- Carefully draw a straight line with a ruler that just touches the curve
- Work out the gradient of this straight line in the usual way

Thanks for watching,

Lewis

Relevant for GCSE Physics 9-1 in the following exam boards:
AQA (including Trilogy) (Higher only)
Edexcel (Higher only)
CCEA (not specifically relevant but recommended)
OCR A (Higher only)
OCR B (Higher only)
WJEC (Higher only)
CIE (Cambridge International Examinations) IGCSE (not specifically relevant but recommended)
Edexcel International IGCSE

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