Question

whats the derivative of this function?

Answer 1

http://www.mathsisfun.com/calculus/derivatives-introduction.html

Answer 2

\[\frac{-sen(t) + \cos(t) }{ 2 }\]

Answer 3

http://voices.yahoo.com/what-derivative-function-4635213.html?cat=4

Answer 4

Is that supposed to be -sec(t)?

Answer 5

Hint: I advise you to factor out the (1/2), then you can deal with the trig functions.

Answer 6

sin* instead of "sen" srry