Inverse secant problem

  • Thread starter Jan Hill
  • Start date
  • #1
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Homework Statement



Find the value of y = sec^-1(9s^4 + 7) with respect to s

Homework Equations






The Attempt at a Solution



secy = 9s^4 + 7

but where do I go from here?
 

Answers and Replies

  • #2
tiny-tim
Science Advisor
Homework Helper
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Hi Jan! :smile:

(try using the X2 icon just above the Reply box :wink:)

Are you trying to find s in terms of y?

Then continue by rearranging your final equation, putting s on the left. :smile:

EDIT: ohhh!! … are you trying to find the derivative of y with respect to s?

then differentiate your final equation, using the chain rule for the LHS. :smile:
 

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