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January 28, 2015

January 28, 2015

Posted by **Ariel** on Saturday, November 15, 2008 at 2:15pm.

- Trig -
**Damon**, Saturday, November 15, 2008 at 2:33pmI guess what you might mean is due to the fact that sin (180 - A) = sin A when A is between 0 and 90 degrees

so for example sin 150 = sin 30 = .5

Now when we go to use law of sines

sin A/a = sin B/b

say A = 30 and sin A = .5

then

.5/a = sin B/b

but you would get a very different triangle with the same sin A = .5 if A were 150 degrees.

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