CK-12-Pre-Calculus Concepts

http://www.ck12.org Chapter 4. Basic Triangle Trigonometry

CHAPTER

4 Basic Triangle Trigonometry

Chapter Outline

4.1 ANGLES INRADIANS ANDDEGREES

4.2 CIRCULARMOTION ANDDIMENSIONALANALYSIS

4.3 SPECIALRIGHTTRIANGLES

4.4 RIGHTTRIANGLETRIGONOMETRY

4.5 LAW OFCOSINES

4.6 LAW OFSINES

4.7 AREA OF ATRIANGLE

4.8 APPLICATIONS OFBASICTRIANGLETRIGONOMETRY

4.9 REFERENCES

Trigonometry is the study of triangles and the relationships between their sides, angles and areas. Using what you
know from Geometry like the Pythagorean theorem and the formula for the area of a triangle, you will be able to
derive more powerful formulas and learn to apply them appropriately in different situations.