How does$\displaystyle sin\frac{7pi}{12} = sin(\frac{Pi}{4} +\frac{Pi}{3})$

Do you find factors of 12 which are 3 and 4? What do you do with the $\displaystyle 7pi$?

Thanks

Jason

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- Jun 26th 2008, 11:25 AMDarkhrse99I have a sine question!
How does$\displaystyle sin\frac{7pi}{12} = sin(\frac{Pi}{4} +\frac{Pi}{3})$

Do you find factors of 12 which are 3 and 4? What do you do with the $\displaystyle 7pi$?

Thanks

Jason - Jun 26th 2008, 11:29 AMChris L T521
- Jun 26th 2008, 11:34 AMDarkhrse99
that was easy! I can't believe I didn't see that(Headbang)