what is the integral of 8tan^3(x)

[storm escarp]

This video gets a different result than web calculators ?

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[storm escarp]

i also got a different answer than calculators, which is right?

[brittle knoll]

indefinite integrals can have different results depending on how u solve it

[storm escarp]

https://www.youtube.com/watch?v=uR4zd315dUY&ab_channel=blackpenredpen

even this one?

how can tan^2(x) be the same as sec^2(x)

[brittle knoll]

wym?

they used the same method u used

[storm escarp]

so they're all right?

[brittle knoll]

yes

what u did is 100% correct