Question 1131255
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \sin(2x)\ +\ \cos(x)\ =\ 0]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 2\sin(x)\cos(x)\ +\ \cos(x)\ =\ 0]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \cos(x)\[2sin(x)\ +\ 1\]\ =\ 0\ ]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \cos(x)\ =\ 0\ \Right\ x\ \in\ \{0,2\pi\}]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 2\sin(x)\ +\ 1\ =\ 0\ \Right\ \sin(x)\ =\ -\frac{1}{2}\ \Right\ x\ \in\ \{\frac{7\pi}{6},\frac{11\pi}{6}\}]
								
								
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 \ \ \ \ \ \ \ \ \ \  
								
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