Question

Please answer it.....​

Answer 1

Answer:

hi

Explanation:

Answer 2

Answer:

Two vectors \vec{a}\ and\ \vec{b}

a

and

b

are such that |\vec{a}+\vec{b}|=|\vec{a}-\vec{b}|∣

a

+

b

∣=∣

a

−

b

∣ . What is the angle between \vec{a}\ and\ \vec{b}

a

and

b

??