[PLAIN]http://img266.imageshack.us/img266/8206/triangles.png [Broken](adsbygoogle = window.adsbygoogle || []).push({});

This is not a homework question, but it is something I cant wrap my mind around.

What is the equation for sine alpha where alpha is greater than 90 degrees?

For the first triangle its easy: sine alpha = b/c

But what is it for the second triangle?

Thanks in advance,

fawk3s

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# Homework Help: Equation for sine alpha

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