InterviewSolution
Saved Bookmarks
| 1. |
`tan^(-1)((1+cos x)/(" sin x "))` का x के सापेक्ष अवलन कीजिये । |
|
Answer» माना `y=tan^(-1)((1+cos x)/(sin x))` `y=tan^(-1)((2cos^(2).(x)/(2))/(2sin.(x)/(2)cos .(x)/(2) ))` `tan^(-1)(cot.(x)/(2))` `=tan^(-1){tan((pi)/(2)-(pi)/(2))}` `=(pi)/(2)-(x)/(2)` `:. (dy)/(dx)=-(1)/(2)` |
|