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Show that the equation of a line passing...

Show that the equation of a line passing through `(acos3theta,asin^3theta)` and perpendicualar to the line `xsectheta+ycos e ctheta=ai sxcostheta-ysintheta-acos2thetadot`

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Given line is `x sec theta+ y cosec theta= a ..(i)`
`=> y = -(sec theta/cosec theta)x + a sintheta`
The slope of line `(i)`,
` m1 = -(sec theta)/(cosec theta)`
`= – (sin theta)/(cos theta)` ...
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