Mathematics A-Level
tangent perpendicular to radius
What tangent perpendicular to radius means in Mathematics A-Level, as defined for WJEC.
Definition of tangent perpendicular to radius
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Reference: WJEC
The tangent at point P is perpendicular to the radius OP, so the tangent has gradient m_(tan) = −1/m_(rad).
Topics that use tangent perpendicular to radius
Related terms
- angle in a semicircle
- linear modelling
- perpendicular bisector of chord
- point-slope form
- rate of change
- tangents and normals
- centre and radius
- circle equation
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