GUJCET 2018 Math Solved Paper

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Question : 31 of 40

Marks: +1, -0

If a vector

−

x

makes angles with measure π/4 and 5π/4 with positive directions of X-axis and Y-axis respectively. then

−

x

made angle of measure _________ with positive direction of Z-axis.

5π/4
π/3
π/2
π/4

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