TS EAMCET · Maths · Circle
The radius of the circle \(r=12 \cos \theta+5 \sin \theta\) is
- A \(\frac{5}{12}\)
- B \(\frac{17}{2}\)
- C \(\frac{15}{2}\)
- D \(\frac{13}{2}\)
Answer & Solution
Correct Answer
(D) \(\frac{13}{2}\)
Step-by-step Solution
Detailed explanation
Given equation of circle is \(r=12 \cos \theta+5 \sin \theta\) Put \(\cos \theta=\frac{x}{r}\) and \(\sin \theta=\frac{y}{r}\), we get…
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