2.4. Derivatives of Trigonometric Functions http://www.ck12.org
Multimedia Links
For examples of finding the derivatives of trigonometric functions(4.4), see Math Video Tutorials by James Sousa,
The Derivative of Sine and Cosine (9:21).
MEDIA
Click image to the left for use the URL below.
URL: http://www.ck12.org/flx/render/embeddedobject/538Review Questions
Find the derivativey′of the following functions:
1.y=xsinx+ 2
2.y=x^2 cosx−xtanx− 1
3.y=sin^2 x
4.y=sinsinxx−+^11
5.y=coscosxx+−sinsinxx
6.y=√x
tanx+^2
7.y=cscxsinx+x
8.y=seccscxx- Ify=cscx, findy′′(π/ 6 ).
- Use the definition of the derivative to prove thatdxd[cosx] =−sinx.