If a line, which lies in xz plane, makes angle 30^ with Z-axis then its d.c.s. are .........

MHT CET Mathematics question

If a line, which lies in plane, makes angle with Z-axis then its d.c.s. are .........

Answer: (C)

A line in the -plane makes angle with the Y-axis, so ; with the Z-axis at , . Then $ =

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Question ID VK-027186