Trig and Pyth Workbook

• Hypotenuse

  Always opposite the right angle
• Pythagoras only applies to right angled triangles
• The length of the hypotenuse is equal to the sum of the other two sides
• Hypotenuse


  Opposite the right angle
• a² = b² + c²
• If given two side lengths

  Find the other side by pythagoras
• If given or asked to find an angle

  Use trigonometry
• O

  S H


  sin
• A

  C H


  cos
• O

  T A


  tan
• Process of Trigonometry

  -Label O A H

  -Identify trigonometry function

  -x or divide

  -write down

  -answer (round if needed then add units)