Forces at an Angle and Vectors

Forces in Two Dimensions

In geometry, you likely studied right triangles and were introduced to the sine, cosine and tangent functions.  In this presentation, you will receive a refresher in these trigonometric identities to prepare you to apply them to physics. Then, you will see how well you can work through the practice exercises below to apply your knowledge of right triangle trigonometry. Click the player to begin.

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