Saved Bookmarks
| 1. |
फलन sec x का x के साक्षेप अवकल गुणांक ज्ञात कीजिए । |
|
Answer» ` d/dx sec x = .d/(dx) 1/(cos x)` ` = ( cos xd/(dx) 1-1 . d/(dx) cos x)/(cosx)^(2) ` ` ( cosx^(0) -(-sin x))/(( cos^(2) x)^(2))= ( sin x) /( cos^(2) x)` ` 1/cos .-tan x sec x ` इस प्रकार ` d/(dx) sec x = sec x. tan x. ` |
|