Saved Bookmarks
| 1. |
If 3f(cosx)+2f(sinx)=5x, then f^(')(cosx) is equal to (where f^(') denotes derivative with respect tox) |
|
Answer» `-5/(COSX)` `3f(sinx)+2f(cosx)=5(pi//2-x)`………..ii Solving EQUATION i and ii simultaneously we get `F(cosx)=5x-pi` `-sinx,f^(')(cosx)=5,f^(')(cosx)=-5//sinx` |
|