<PRE><B>Question 698196</B>
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The line segment that is part of the terminal side of the angle from the origin to the point (3,-1) is the hypotenuse of a right triangle with legs that measure 3 and 1.  Therefore the hypotenuse has a measure of *[tex \LARGE \sqrt{10}].  Normalizing the hypotenuse to the unit circle by dividing all of the triangle dimensions by *[tex \LARGE \sqrt{10}] gives *[tex \LARGE \sin\varphi\ =\ -\frac{1}{\sqrt{10}].  *[tex \LARGE \csc\varphi] is the reciprocal of *[tex \LARGE \sin\varphi]


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
&lt;font face=&quot;Math1&quot; size=&quot;+2&quot;&gt;Egw to Beta kai to Sigma&lt;/font&gt;
My calculator said it, I believe it, that settles it
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