- #26

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Then I thought about the [tex]\sin(x+y)[/tex] and so:

[tex]\sin(\frac{\pi}{4}+\frac{\pi}{8}) = \sin \frac{\pi}{8}\cos \frac{\pi}{4}+ \cos \frac{\pi}{8} \sin \frac{\pi}{4}[/tex] but I do not know what this fractions make.

There must be a simple say to do it.

The Bob (2004 ©)