defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Three Dimensional Geometry Angle with Planes
रेखा \(\frac{x+1}{2}=\frac{y}{3}=\frac{z-3}{6}\) और समतल 10x + 2y - 11z = 3 के बीच का कोण ज्ञात कीजिए।
1
cos-1\(\left(\frac{1}{8}\right)\)
2
cos-1\(\left(\frac{8}{21}\right)\)
3
sin-1\(\left(\frac{8}{21}\right)\)
4
sin-1\(\left(\frac{1}{8}\right)\)