Question

If A = 4i+3j is a vector which makes an angle 'tita' with +X axis, what are the
horizontal and vertical components of A vector ?
у
A
A
tita - 37
х​

Answer 1

Explanation:

Here in vector 4i+3j , first determine the direction.

=> tan theta =3/4

=> tan theta = tan 37°

=> theta =37°

now with x axis it forms 37°.

now magnitude of vector is 5.

so components are,

5sin37 = 3

5 cos 37= 4

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