If a line makes equal angles with the coordinate axes, what is the positive direction cosine? A. 1/√3 B. 1/3 C. √3 D. 1/2 Answer: A) 1/√3 Explanation: If α = β = γ, then 3cos²α = 1, so cos²α = 1/3, meaning cos α = 1/√3.

imo class 12 three dimensional geometry

If a line makes equal angles with the coordinate axes, what is the positive direction cosine?

VAVidaara Admin Asked 6d ago 0 views 0 answers

If a line makes equal angles with the coordinate axes, what is the positive direction cosine?

Answer: A) 1/√3

Explanation: If α = β = γ, then 3cos²α = 1, so cos²α = 1/3, meaning cos α = 1/√3.