(i) y = ecot x z = cot x
Formula :
![](https://www.sarthaks.com/?qa=blob&qa_blobid=4481227559983461621)
According to chain rule of differentiation
![](https://www.sarthaks.com/?qa=blob&qa_blobid=15897497928688432241)
(ii) Let y = e-sin 2x z = -sin 2x
Formula :
![](https://www.sarthaks.com/?qa=blob&qa_blobid=561084605865208278)
According to chain rule of differentiation
![](https://www.sarthaks.com/?qa=blob&qa_blobid=10204451363410822549)
(iii) Let y = e\(^\sqrt{sin\,\text x}\) z = \(\sqrt{sin\,\text x}\)
Formula :
![](https://www.sarthaks.com/?qa=blob&qa_blobid=8177657183287304952)
According to chain rule of differentiation
![](https://www.sarthaks.com/?qa=blob&qa_blobid=552189880089142100)