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Question: How to force half angle formula

Question:How to force half angle formula

fsenkel1 68 Maple
February 14 2011
0

Hello,

I have a two expressions...

on in terms of

sin(1/2*B*L) and sinh(1/2*B*L)

and another in terms of

sin(B*L) and sinh(B*L)

 

I'd like to use a half angle formula on the first to get it in terms of "B*L", then make a substitution into the second...I can't seem to figure out how to make maple do a 1/2 angle expansion....

 

any suggestions?
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