Question
Find the angle between the lines
and the plane 10x + 2y – 11z = 3.
Solution
The equation of line is

Its direction ratios are 2, 3, 6.
The equation of plane is
10x + 2y – 11 z = 3
∴ direction ratios of the normal to the plane are 10, 2, –11.
Let θ be the angle between the line and plane.


Its direction ratios are 2, 3, 6.
The equation of plane is
10x + 2y – 11 z = 3
∴ direction ratios of the normal to the plane are 10, 2, –11.
Let θ be the angle between the line and plane.
