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Member has been warned to show more of their own effort.

## Homework Statement

Two vectors

**A**and

**B**have precisely equal magnitudes. For the magnitude of

**A**+

**B**to be 65 times greater than the magnitude of

**A**-

**B**, what must be the angle between them?

## Homework Equations

## The Attempt at a Solution

I tried using the dot product and solving for the angle but i don't know if my math was right. I keep getting a relatively small angle which I know is around the right answer but its still off somehow. Please help!