addition and subtraction formulas of trig functions

pianisdsk8er · Registered: 26.07.2004 From: Alberta, Canada

It’s really difficult for me to understand this on my own so I think I need somebody to give an advice. I need help on the subject of addition and subtraction formulas of trig functions. It’s giving me sleepless nights every time I attempt to understand it because I just can’t seem to discover how to solve it. I read some books about it but it’s really confusing . Can I ask help from someone of you guys here? I really require somebody who can discuss how to solve some questions about addition and subtraction formulas of trig functions.

kfir · Registered: 07.05.2006 From: egypt

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DGNO · Registered: 12.10.2002 From: United Kingdom

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Vnode · Registered: 27.09.2001 From: Germany

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