Question 1142952
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In the future, please use parentheses so that we don't have to guess what terms belong in the numerators and denominators of your fractions.


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \frac{1\,+\,\cos(x)}{\sin(x)}\ +\ \frac{\sin(x)}{1\,+\,cos(x)}]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \frac{\(1\,+\,\cos(x)\)^2\ +\ \sin^2(x)}{\sin(x)\(1\,+\,cos(x)\)}]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \frac{1\,+\,2\cos(x)\,+\,\cos^2(x)\ +\ \sin^2(x)}{\sin(x)\(1\,+\,cos(x)\)}]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \frac{2\ +\ 2\cos(x)}{\sin(x)\(1\,+\,cos(x)\)}\ \ \ \ ] Note: Pythagorean Identity


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \frac{2\(1\ +\ \cos(x)\)}{\sin(x)\(1\,+\,cos(x)\)}]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \frac{2}{\sin(x)}\ =\ 2\csc(x)]
 
								
								
John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
<img src="http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg">
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  
								
{{n}\choose{r}}

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