2 Answered Questions for the topic Algebraic Numbers

Algebraic Numbers Geometry Trigonometry

03/18/19

Is there a general formula for $\\sin( {p \\over q} \\pi)$?
Virtually everyone knows the basic values of the unit circle, $\\sin(\\pi) = 0; \\ \\ \\sin({\\pi \\over 2}) = 1; \\ \\ \\sin({\\pi \\over 3}) = {\\sqrt{3} \\over 2} \\\\$ And other values can be... more
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12/06/17

Given a number x is algebraic, how would i prove that x^(1/3) is also algebraic?
Nothing more to add :)
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