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GR.2.5

The equation of a tangent to a circle

Find the equation of the tangent to a circle at a given point

3 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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Grade 7–9 Core 🇬🇧 UK

Equation of a Tangent - GCSE Higher Maths

1st Class Maths 308K views

Four worked examples building the full tangent method, clearly explained for Higher GCSE.

Jump to 0:29Example 1 4:04Example 2 7:50Example 3 11:10Example 4

Grade 7–9 Core 🇬🇧 UK

Equation of a Tangent to a Circle - Corbettmaths

corbettmaths 270K views

Corbettmaths gives a crisp, reliable walkthrough of finding a tangent's equation.

Grade 7–9 Core 🇬🇧 UK

The Equation of a Circle and the Equation of a Tangent

Maths Genie 129K views

Thorough Maths Genie tour covering circle equations, perpendicular gradients and the tangent.