Can someone show me how using the substitution, you can establish: It's memorised in my mind (the subsitution) but I don't know the method which bought these substituion in the first place. Thanks in advance.
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I know how to go from the substitution to prove it but how would I go about finding the substitution for and if I was just given If I'm just given and told to find what and would be (in terms of ), how would I find it's substitution?
You can see a basic way to find them here.
Refer to the attached image. Bobak Edit: sorry about my funny looking multiplication sign.
Last edited by bobak; August 2nd 2008 at 05:13 PM.
Originally Posted by bobak Refer to the attached image. Bobak You wrote " ". I think that's a typo.
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