Explanation: 
Another Explanation (5):
y = log sin x2 হলে dy/dx নির্ণয়:
ধরি, u = x2 😜
তাহলে, y = log sin u
এখন, \(\frac{dy}{du} = \frac{1}{sin u} \cdot cos u = cot u\) 👌
এবং, \(\frac{du}{dx} = 2x\) 😎
অতএব, \(\frac{dy}{dx} = \frac{dy}{du} \cdot \frac{du}{dx}\) 🤩
= cot u ⋅ 2x
= 2x cot x2 🥰
সুতরাং, dy/dx = 2x cot x2 🥳