Trigonometry

Πίνακας Περιεχομένων

• Right Triangles

  • Introduction to Sine
  • Trigonometric Ratios: Sine 三角比：正弦
  • Introduction to Cosine & Tangent
  • Trigonometric Ratios: Cosine & Tangent 三角比：餘弦和正切
  • Simple Sine Table
  • Sine and Cosine Table
  • recognise trigonometric ratios
  • Quiz on Trigonometric Ratios 辨認三角比：測驗
  • trigonometric ratios for all angles
  • 任意角的三角比
  • Regiomontanus

• trigonometric functions

  • Trigonometry and Polar Coordinates
  • Random point with trigonometric details
  • Polar and Rectangular
  • Introduction to Polar Coordinates 極坐標簡介
  • 極坐標測驗
  • polar and spiral
  • Proof without words: Cosine Rule (餘弦公式)

• making patterns and animation

  • Sinimation
  • sine curve rotated
  • Cosine Shift
  • Dot Pattern 1
  • Dot Pattern 2
  • Dot Pattern 3
  • Happy Halloween
  • Halloween with sound
  • sun and sea
  • Moon and Sea