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Show that the two straight lines x^2(t...

Show that the two straight lines
`x^2(tan^2theta+cos^2theta)-2xy tantheta+y^2sin^2theta=0`
Move with the axis of x angles such that the difference of their tangents is 2 .

Text Solution

Verified by Experts

The correct Answer is:
`=(2)/(sintheta) sintheta=2`
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