Question

(3.) A vector of magnitude 10 has its rectangular components as 8 and 6 along x and y axes. Find
the angles it make with these axes.​

Answer 1

Answer:

Explanation:

A=B+C (bold because are vectors)

now,

a²=b²+c²+2abcosФ

10²=8²+6²+96cosФ

100=100+96cosФ

0=cosФ

Ф=90°

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