Find a vector r⃗ of magnitude 3√2 units which makes an angle of π/4 π/2 with y and z-axes, respectively.
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Answers
Answered by
2
Solution:
From the give,
m = cos π/4 = 1/√2
n = cos π/2 = 0
Therefore, l2 + m2 + n2 = 1
l2 + (½) + 0 = 1
l2 = 1 – ½
l = ±1/√2
Hence, the required vector is:
Answered by
2
Solution:
From the give,
m = cos π/4 = 1/√2
n = cos π/2 = 0
Therefore, l2 + m2 + n2 = 1
l2 + (½) + 0 = 1
l2 = 1 – ½
l = ±1/√2
Hence, the required vector is:
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