Precalculus by Richard Wright

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Chapter 6: Additional Trigonometric Topics

In physics, vectors are used to describe quantities that have a direction. One such quantity is force. For example, the force of the rocket engines push the space shuttle up towards space. Trigonometry is used to do calculations with vectors.

6-01 Law of Sines

6-02 Law of Cosines

6-03 Vectors

6-04 Write Vectors in Trigonometric Form

6-05 Dot Products

6-06 Trigonometric Form of a Complex Number

6-07 Trigonometric Form of a Complex Number: Operations