Hi guys,

just to make sure on the method i used on solving the identity attached.Attachment 20234

I first expanded the squared trigonometric functions and tangent, then substituted with j(phi) - converted to cosh and sinh etc. ending with :

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- Dec 27th 2010, 12:41 AMtrojsiTrigonometric - hyperbolic
Hi guys,

just to make sure on the method i used on solving the identity attached.Attachment 20234

I first expanded the squared trigonometric functions and tangent, then substituted with j(phi) - converted to cosh and sinh etc. ending with : - Dec 27th 2010, 03:01 AMCaptainBlack
- Dec 27th 2010, 03:09 AMSudharaka
- Dec 27th 2010, 03:23 AMtrojsi
Thanks a lot, I manage to get it with those identities.