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anonymous
 5 years ago
what would the anti deriv. be of the function 7sec(4u)tan(4u)?.. got an answer but for some reason its not correct.. any help?
anonymous
 5 years ago
what would the anti deriv. be of the function 7sec(4u)tan(4u)?.. got an answer but for some reason its not correct.. any help?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0nevermind i got it ..

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0this is the one i need help with .... 5/ (1+ 25s^2)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0That looks similar to the derivative of arctan. Which is \[du / (1 + u^2) = (\arctan u)'\] So know that, the u would be 5s so the answer would be arctan(5s). \[5 / (1 + (5s)^2) = (\arctan 5s)'\]
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