Mathematics · Analytical 3D Geometry
A line lying in the yz-plane is inclined at an angle α with the z-axis. Its direction cosines are:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10, sin α, cos α✓
- 20, cos α, sin α
- 3sin α, cos α, 0
- 4cos α, sin α, 0
Correct answer
0, sin α, cos α
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