2Basic Mathematics and Systems of Measurement Units

OBJECTIVES: After studying this chapter, you will be able to

  • Describe the applications of ratios and percentage
  • Define the relationships between angles and sides in a right triangle
  • Use trigonometric functions in finding angles and lengths in a geometric shape
  • Explain the importance of measurement systems
  • Define the principal units of measure in U.S. customary and metric systems
  • Describe and determine the units of measure for most common entities in terms of the principal units of measure
  • Convert units between imperial and metric systems for many common entities
  • Extract formulas for calculating any variable from a relationship between several variables

New terms: Cosine, cotangent, sine, ...

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