Mark the correct alternative in each of the following: If then the angle between is

Question

Philoid · Accepted Answer

Here, _____________(1)

() ___________(2)

From (1)

() _________(3)

From (1)

() __________(4)

From (2) and (3)

____________(5)

From (2) and (5)

Let θ be the angle between and

Then,

So,

i.e. angle between and is .