# Find the direction angle of the vector calculator

Use tan(𝛉) = Y/X to find the direction angle 𝛉 of the vector. Apply arctan to both sides to solve for 𝛉. If your vector is in the second, third, or fourth quadrant, you’ll need to apply an Better than just an application

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## Vector Calculator

To find the direction cosines of the vector a is need to divided the corresponding coordinate of vector by the length of the vector: cos α = a x | a | ; cos β = a y | a | ; cos γ = a z | a |

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To solve a mathematical equation, you need to find the value of the unknown variable.

## Vector Calculator

Input the first vector. Type in x = 3, y = 6, z = 1. Choose the second vector's representation. This time we need to change it into point representation. Enter the second 