# How to find an angle between two vectors

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## How to Find the Angle Between Two Vectors: 12 Steps

Here are the angle between two vectors formulas: Using dot product: θ = cos -1 [ ( a · b) / (| a | | b |) ] Using cross product: θ = sin -1 [ | a × b | / (| a | | b |) ]

## Angle between Two Vectors Formula

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## Angle Between Two Vectors Calculator. 2D and 3D Vectors

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