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Show that for all values of
MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles
Problem
Show that for all values of
θ
\theta
θ
,
x
sin
θ
−
y
cos
θ
=
a
x \sin \theta - y \cos \theta = a
x
sin
θ
−
y
cos
θ
=
a
touches the circle
x
2
+
y
2
=
a
2
x^2 + y^2 = a^2
x
2
+
y
2
=
a
2
.
Related theory
Circle (Standard Equation)
Conic Sections
Circles
Equation of a circle
Coordinate Geometry
Tangent length properties
Tangent to a circle
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