How in the world do you solve this???:

int[sec(1-x)*tan(1-x)*dx]

Thank you!

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- Jan 11th 2009, 06:55 AMdillonmhudsonIntegration problem?
How in the world do you solve this???:

int[sec(1-x)*tan(1-x)*dx]

Thank you! - Jan 11th 2009, 07:00 AMnikhilTry it
Hint

int(sec(x)tan(x))dx=sec(x)+c - Jan 11th 2009, 07:05 AMdillonmhudson
Ok,

so using u-substitution:

u = sec(1-x)

du = sec(1-x)*tan(1-x)?

Thanks! - Jan 11th 2009, 07:33 AMProve It
- Jan 11th 2009, 07:36 AMdillonmhudsonAwesome!
Thank you both very much!