Welcome to Trigonometry Online
  • Home
  • Algbebra Review
    • Moving Graphs
    • Composing Functions
    • Quizzes
    • Discussion Post
    • Feedback Survey
  • Trig Functions
    • Intro to Trig Functions
    • Finding side lengths
    • Finding Angle Measures
    • Special Right Triangles
    • Quizzes
    • Discussion Post
    • Feedback Survey
  • Unit Circle
    • Angles and Degrees
    • Angles and Radians
    • Quizzes
    • Discussion Post
    • Feedback Survey
  • Transformations
    • Pre-Knowledge
    • Graphing Sin and Cos
    • Graphing Sec and Csc
    • Graphing Tan and Cot
    • Real World Application
    • Quizzes
    • Test
    • Discussion Post
    • Feedback Survey
  • Identities
    • Pre-Knowledge
    • Pythagorean Identities
    • Odd & Even
    • Sum & Difference
    • Quizzes
    • Feedback Survey
  • Equations
    • Half Angle
    • Double Angle
    • Solving
    • Quizzes
    • Feedback Survey
  • Law of Sin & Cos
    • Law of Sines
    • Law of Cosine
    • Solving Triangles
    • Area of Trigangles
    • Quizzes
    • Feedback Survey
  • Contact

Objective

To find the sine, cosine, and tangent ratio of sides  from a given angle

Additional Web Resources

http://www.mathsisfun.com/algebra/sohcahtoa.html     Pay attention the ratio of sides for each trig functions. 

http://www.purplemath.com/modules/basirati.htm    Pay attention to the table that labels all the trig ratios. 

Lesson Video:
  • SOHCAHTOA
  • The Ratio of Sides for  Sin , Cos , Tan
  • How to find the opposite side, adjacent side, and hypotenuse
Additional Lesson Video:
  • SohCahToa
  • Trig Ratios
  • Different Teaching Style
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