If `vec(a) and vec(b)` are two unit vectors inclined at an angle `60^(@)` to each other, then which one of the following is correct?

If vec(a) and vec(b) are unit vectors inclined at an angle of 30^(@) to each other, then which one of the following is correct?

If a and b two unit vectors inclined at an angle of 60^@ to each other, then

If bar a and bar b are two unit vectors inclined at an angle alpha to each other then match the following lists The correct match is

If vec(a) and vec(b) are two unit vectors inclined at an angle pi/3 , then the value of |vec(a)+vec(b)| is

If vec(a) and vec(b) are two vectors such that vec(a).vec(b) = 0 and vec(a) xx vec(b) = 0 , then which one of the following is correct?

If vec(a) and vec(b) are two units vector inclined at an angle of (pi)/(3) , then value of |vec(a) + vec(b)| is

If vec(a) and vec(b) are unit vectors inclined at an angle alpha , then the value of | vec(a) - vec(b)| is