3-d

Question: If a line makes angles of ${{30}^{o}}$and ${{45}^{o}}$with x-axis and y-axis, then the angle made by it with $z-$axis is



1) ${{45}^{o}}$
2) ${{60}^{o}}$
3) ${{120}^{o}}$
4) None of these
Solution: Explanation: No Explanation
System of co-ordinates Direction cosines and direction ratios Projection

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