# Trigonometry Vector Problem: Force Angles

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Three forces acting at a point are in equilibrium. The forces are 930 lb, 760 lb, and 1220 lb. Find the angles between the directions of the forces. (Hint: Arrange the forces to form the sides of a triangle.)

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##### Solution Summary

Trigonometry is used to solve for angles between forces.

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We can use Cosine Theorem to solve this problem:

The three forces form the sides of a triangle: pls refer to the ...

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