Answer:
1/√3
Step-by-step explanation:
a vector î+j+k makes an angle 45° with all x, y and z axis
so we need to find the direction cosines of the line,
for î+j+k: magnitude= î+j+k/√1²+1²+1²
î+j+k/√3
the cosine of the angle it makes with y axis is 1/√3
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Answers & Comments
Answer:
1/√3
Step-by-step explanation:
a vector î+j+k makes an angle 45° with all x, y and z axis
so we need to find the direction cosines of the line,
for î+j+k: magnitude= î+j+k/√1²+1²+1²
î+j+k/√3
the cosine of the angle it makes with y axis is 1/√3