- Books Name
- AMARENDRA PATTANAYAK Mathmatics Book
- Publication
- KRISHNA PUBLICATIONS
- Course
- CBSE Class 11
- Subject
- Mathmatics
Derivatives of polynomial and trigonometric functions
Example: Compute derivative of f(x) = sin 2x
Ans: f’(x) =
= 2sinx(-sinx) + 2cosx cosx
= -2sin2x + 2cos2x
= 2 cos2x
Examples:
Solution:
Solution:
3. (3x + 5) (1 + tan x)
Solution:
4. (sec x – 1) (sec x + 1)
Solution:
Solution:
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