Question

The direction cosines of x-axis, y-axis and z-axis, respectively are

• A. \((\frac{\pi}{2},0,0).(0,\frac{\pi}{2},0).(0,0\frac{\pi}{2})\)
• B. \((0,\frac{\pi}{2},\frac{\pi}{2}).(\frac{\pi}{2},0,\frac{\pi}{2}).(\frac{\pi}{2},\frac{\pi}{2},0)\)
• C. \((\pi,0,0),(0,\pi,0),(0,0,\pi)\)
• D. \((1,0,0),(0,1,0),(0,0,1)\)

Answer 1

The Correct Option is D

The correct option is(D): \((1,0,0),(0,1,0),(0,0,1)\)