1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The equation of straight line which passes through the point $$\left(a \cos ^3 \theta, a \sin ^3 \theta\right)$$ and perpendicular to $$x \sec \theta+y \operatorname{cosec} \theta=a$$ is

A
$$\frac{x}{a}+\frac{y}{a}=a \cos \theta$$
B
$$x \cos \theta-y \sin \theta=a \cos 2 \theta$$
C
$$x \cos \theta+y \sin \theta=a \cos 2 \theta$$
D
$$x \cos \theta-y \sin \theta=a \cos 2 \theta$$
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