If θ is the angle between line whose ratios are a1, b1, c1 and the plane ax + by + cz + d = 0 then

(a) .

(b) True

(c) False

I have been asked this question by my college director while I was bunking the class.

The origin of the question is Three Dimensional Geometry in chapter Three Dimensional Geometry of Mathematics – Class 12

NCERT Solutions for Subject Clas 12 Math Select the correct answer from above options

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