in the last vedio the question is x=sec tetha tan tetha and y=sec^3=sec^3 teha
whil solving this sir take 3sec^3 while it have to be 3sec^2 simply why sir take 3sec^3  any other formula and if yes solve this problem with full detaile and give some examples also and why we solv all these problems means its use

Asked by saggugurupal | 2nd Aug, 2016, 07:53: PM

Expert Answer:

Since you said the last video, we referred to the following link.
However, the question could not be found. It would be better if you would specify the link too so that we could clear your doubt.

Answered by Rebecca Fernandes | 4th Aug, 2016, 03:03: PM