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Chord of Contact as Polar
For circle:
$$x^2+y^2=a^2$$
the chord of contact from $$(x_1,y_1)$$ is:
$$xx_1+yy_1=a^2$$
Usage
- Used to connect tangent and polar concepts for a point outside the circle
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Chord of Contact as Polar
For circle:
$$x^2+y^2=a^2$$
the chord of contact from $$(x_1,y_1)$$ is:
$$xx_1+yy_1=a^2$$
Usage
- Used to connect tangent and polar concepts for a point outside the circle
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