Geo2.22

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Distance of a straight line from the origin is p.The normal on the straight line from the origin makes an angle \alpha\, with the X-axis in positive direction.Find the equations of straight lines whose values are p=5,\alpha=60^\circ\,

The equation of the line is

x\cos\alpha+y\sin\alpha=p\,

x\cos60^\circ+y\sin60^\circ=5\,

x\frac{1}{2}+y\frac{\sqrt{3}}{2}=5\,

x+\sqrt{3}y=10\,


Main Page:Geometry:Straight Lines-I

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