CUET · MATHS · PYQ PAPER 2023
The equation of the normal to the curve \(y=\sin x\) at \((0,0)\) is :
- A \(x-y=0\)
- B \(x+y=0\)
- C \(x=0\)
- D \(y=0\)
Answer & Solution
Correct Answer
(B) \(x+y=0\)
Step-by-step Solution
Detailed explanation
\(\frac{dy}{dx} = \cos x\) \(m_t = \cos(0) = 1\) \(m_n = -\frac{1}{m_t} = -1\) \(y - 0 = -1(x - 0)\) \(y = -x\) \(x + y = 0\)
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