# 3d vector component

The vector u = (3.9, u3) and the length of the vector u is 12. What is is u3?

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Looking for help with calculating roots of a quadratic equation?

Two vectors given by its magnitudes and by included angle can be added by our vector sum calculator.

Pythagorean theorem is the base for the right triangle calculator.

See also our trigonometric triangle calculator.

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