Question

if Ax=Ay, then vector à makes the angle with x axis is; a) 30° b) 45° (C) 90° d) 180°​

Answer 1

Answer:

b) 45°

Explanation:

The Vector A passes through the origin and starts from the 3rd Quadrant to the 1st Quadrant. This line cuts both these quadrants into two equal triangles, since quadrants are squares. The angle at origin is 90. Cut that into two equal angles or half gives 45.

Hence the answer is 45 degrees.

Try plotting a graph if you have difficulty in understanding. Use the points (1,1) and (-1,-1). Connect both to achieve the A vector.

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Answer 2

Answer:

d) 180

Explanation:

Ax=Ay

i.e x=y

angle 180 x=y