Questions
If the angles made by a line with the positive directions of X and Y-axes are complementary angles then the angle made by the line with Z- axis is
a
0
b
π3
c
π4
d
π2
detailed solution
Correct option is D
α=θ ⇒β=900−θcos2α+cos2β+cos2γ=1 ⇒γ=900Talk to our academic expert!
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The dc’s of the line passing through P and the origin are
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