CUET and UG exam WB JEE Mock Test Series 2025 Mathematics Three Dimensional Geometry Angle with Planes
The angle between a normal to the plane 2x – y + 2z – 1 = 0 and the X-axis is
1
\(\rm \cos^{-1}\frac{2}{3}\)
2
\(\rm \cos^{-1}\frac{1}{5}\)
3
\(\rm \cos^{-1}\frac{3}{4}\)
4
\(\rm \cos^{-1}\frac{1}{3}\)