Answer :

Given: p = 4, α = 150°

Concept Used:


Equation of line in normal form.


Explanation:


So, the equation of the line in normal form is


Formula Used: x cos α + y sin α = p


x cos 150° + y sin 150° = 4


cos (180° – θ) = – cos θ , sin (180° – θ) = sin θ


x cos(180° – 30°) + y sin(180° – 30°) = 4


– x cos 30° + y sin 30° = 4



√3x – y + 8 = 0


Hence, the equation of line in normal form is √3 x – y + 8 = 0


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