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I am working on some avr programming for a robot which can understand elevation of an object in distance for now that object is a mirror , I wonder how total station cameras works I mean mathematical formula

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The only information you have is $x$ and $c$ in what formula I can get the elevation of B

If it's too basic to ask here sorry I am newbie in math. Thanks in advance!

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$\beta =x\sin(c)$ check : http://en.wikipedia.org/wiki/Triangle

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    @Synxmax believe me it is not complex. You also need to learn some basic stuff by your own. You can not ask always to others right? For example if you use "ctrl+f" and type "Trigonometric ratios in right triangles" on the page http://en.wikipedia.org/wiki/Triangle then you will get exactly what you wanna and even more..2012-09-20