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Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class11  >>  Coordinate Geometry
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The length of perpendicular from the origin to a line is 6 and line makes an angle of $145^{\large\circ}$ with the positive direction of y-axis .Find the equation of line.

$\begin{array}{1 1}(a)\;x\cos 65^{\large\circ}+y\sin 35^{\large\circ}=9\\(b)\;x\cos 35^{\large\circ}+y\sin 35^{\large\circ}=9\\(c)\;x\cos 45^{\large\circ}+y\sin 45^{\large\circ}=3\\(d)\;x\cos 55^{\large\circ}+y\sin 35^{\large\circ}=9\end{array}$

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1 Answer

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Here $\alpha =35^{\large\circ}$
$p=6$
$\therefore$ Equation of required line is $x\cos 35^{\large\circ}+y\sin 35^{\large\circ}=9$
Hence (b) is the correct answer.
answered Feb 4, 2014 by sreemathi.v
 

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