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Sahay Sir > Question Answers > NCERT Exemplar Class 12 > Maths > Chapter 11 - 3D Geometry > Example 1 If a line makes angle 90°, 60° and 30° with the positive direction of x, y and z-axis respectively, find its direction cosines.

Example 1 If a line makes angle 90°, 60° and 30° with the positive direction of x, y and z-axis respectively, find its direction cosines.

60° and 30° with the positive direction of x Example 1 If a line makes angle 90° find its direction cosines. y and z-axis respectively