MHT CET · Maths · Application of Derivatives
The normal to the curve \(x=9(1+\cos \theta), \mathrm{y}=9 \sin \theta\) at \(\theta\) always passes through the fixed point
- A \((9,0)\)
- B \((8,9)\)
- C \((0,9)\)
- D \((9,8)\)
Answer & Solution
Correct Answer
(A) \((9,0)\)
Step-by-step Solution
Detailed explanation
\( \frac{dx}{d\theta} = -9 \sin \theta \) \( \frac{dy}{d\theta} = 9 \cos \theta \)
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