how to solve this integral

dt/(cost)^3

?

Printable View

- Apr 15th 2011, 01:06 AMtransgalactictrigonometric integral
how to solve this integral

dt/(cost)^3

? - Apr 15th 2011, 01:12 AMmr fantastic
See here: integrate 1/(Cos[x])^3 - Wolfram|Alpha

Click on Show steps. The reduction formula can be found using integration by parts. - Apr 15th 2011, 01:24 AMtransgalactic
how to solve it by parts??

what parts

? - Apr 15th 2011, 01:28 AMmr fantastic
- Apr 15th 2011, 01:43 AMtransgalactic
yes i hav been taught but i cant see how to apply it here

so it will be effective - Apr 15th 2011, 02:01 AMmr fantastic