Question

A lines make angles pi/4,3pi.4 with x axis and y axis respectively.then the angle which at make with z axis can be
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Answer 1

Answer:

For a line making angles a,b and c with the x,y and z axes respectively, we have:

So, put a=pi/3, b= pi/4 and find c

i.e.

(1/4)+(1/2)+(cosc)^2 = 1

implies that: (cosc)^2=1/4

So,               cos c = 1/2 or -1/2

Hence, c will be : pi/3 or 2pi/3

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Answer 2

Answer:

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