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MTH 223 - Geometry and Trigonometry
Math Tutorials

Choose Topic:

Unit 1: Fundamentals of Plane Geometry
Unit 2: Trigonometry
Unit 3: Compound Angles

Unit 1: Fundamentals of Plane Geometry

  • Lines, Line Segments and Rays
  • Angle Basics
  • Measuring Angles in Degrees
  • More Angle Examples
  • Acute Right and Obtuse Angles
  • Complementary and Supplementary Angles
  • Angles at the Intersection of Two Lines
  • Angles Formed Between Transversals and Parallel Lines
  • Sum of the Angles in Triangles Example 1
  • Sum of the Angles in Triangles Example 2
  • Sum of the Angles in Triangles Example 3
  • Pythagoreans Theorem
  • Pythagoreans Theorem and Area
  • Congruent and Similar Triangles
  • Language and Notation of the Circle
  • Circles: Radius Diameter and Circumference
  • Area of a Circle

Unit 2: Trigonometry

  • Using SOH CAH TOA and Pythagoreans Theorem to Solve Right Angle Triangles Part 1
  • Using SOH CAH TOA and Pythagoreans Theorem to Solve Right Angle Triangles Part 2
  • Proof: Law of Sines
  • Proof: Law of Cosines

Unit 3: Compound Angles

  • Compound Angles 1
  • Compound Angles 2

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