If the normal at the point \( P(\theta) \) to the ellipse \( \frac{x^{2}}{14}+\frac{y^{2}}{5}=1 ...

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If the normal at the point \( P(\theta) \) to the ellipse \( \frac{x^{2}}{14}+\frac{y^{2}}{5}=1 \) intersects it again at the point
\( \mathrm{P} \) \( \mathrm{Q}(2 \theta) \), then \( \cos \theta \) is equal to
(A) \( 2 / 3 \)
(B) \( -2 / 3 \)
W
(C) \( 3 / 4 \)
(D) none of these.
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