Question

Please help me !!! How do I find the values for which the graph of Cos(t) has the greatest positive slope ?

Answer 1

You would divide it by the psitive slope.

Answer 2

but how do I find slope of a cos ?

Answer 3

You're finding the max of the derivative.

Answer 4

The critical points of the derivative are the the roots of the second derivative.

Answer 5

sorry I keep asking questions but I don't understand what you mean by derivative of the roots