please please please help me.
for this question.
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Explanation:
A = 3i + 6j + 2k
Magnitude of vector = √a^2 + b^2 + c^2
= √ 3^2 + 6^2 + 2^2 = √49 = 7
angle with x axis = cos^-1 (3/7)
angle with y axis = cos^-1 (6/7)
angle with z axis = cos^-1 (2/7)
option a.
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