how to derivative tan and sec in hp prime

03312017, 06:32 PM
Post: #1




how to derivative tan and sec in hp prime
how to derivative tan and sec in hp prime, when I derivative tan it will give me something like: tan(x)^2+1, i know it's right, but i want an answer like sec(x)^2,also there is problem with derivative sec(x)


03312017, 07:15 PM
Post: #2




RE: how to derivative tan and sec in hp prime
(03312017 06:32 PM)zzhhdsf Wrote: how to derivative tan and sec in hp prime, when I derivative tan it will give me something like: tan(x)^2+1, i know it's right, but i want an answer like sec(x)^2,also there is problem with derivative sec(x) What is the problem you are having with the derivative of sec(x)? Graph 3D  QPI  SolveSys 

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