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## Homework Statement

show sin(1), in degrees, is algebraic over the rationals

## The Attempt at a Solution

I want to find the minimal polynomial that has root sin(pi/180). Ya that's all I got.

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- Thread starter Daveyboy
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- #1

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show sin(1), in degrees, is algebraic over the rationals

I want to find the minimal polynomial that has root sin(pi/180). Ya that's all I got.

- #2

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sin(pi/5) = (1/4)*\sqrt{ 10 - 2*\sqrt{5} }

Here's another.

sin z = ( e^{iz} - e^{-iz} )/(2i)

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