Simplify equation

  • Thread starter hermano
  • Start date
  • #1
41
0
Hi,

I'm trying to simplify the following equation, but I'm not sure it can be! Can anybody help me please?

[tex]
\frac{sin(\alpha + \delta \alpha)} {sin(\beta + \delta \beta - \alpha - \delta \alpha)} - \frac{sin(\alpha)} {sin(\beta - \alpha)}
[/tex]
 

Answers and Replies

  • #2
berkeman
Mentor
59,708
9,854
Hi,

I'm trying to simplify the following equation, but I'm not sure it can be! Can anybody help me please?

[tex]
\frac{sin(\alpha + \delta \alpha)} {sin(\beta + \delta \beta - \alpha - \delta \alpha)} - \frac{sin(\alpha)} {sin(\beta - \alpha)}
[/tex]

That's not an equation (no equal sign), it is an expression. What is the full equation?

What is the context of the question? Is it for schoolwork, or for a physical problem?
 
  • #3
41
0
That's not an equation (no equal sign), it is an expression. What is the full equation?

What is the context of the question? Is it for schoolwork, or for a physical problem?

Oke, the full equation is
[tex]
\epsilon = \frac{sin(\alpha + \delta \alpha)} {sin(\beta + \delta \beta - \alpha - \delta \alpha)} - \frac{sin(\alpha)} {sin(\beta - \alpha)}
[/tex]

It is for an error analyses of a physical problem!

Thanks
 
  • #4
I like Serena
Homework Helper
6,577
176
Welcome to PF, hermano! :smile:

Let's define [itex]f(x) = {\sin(\alpha x) \over sin(\gamma x)}[/itex].
Do you know what the definition of f'(1) is?
 

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